2024 CODA Exam New Latest Version with All Questions from Actual Past Exam, Exams of Nursing

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2024 CODA Exam New Latest Version with All Questions

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Gloves are required by OSDB to be worn when --------- Correct Answer -------- working on a patient, cleaning up the operatory, working on impressions, and taking x-rays For max penetration of x-rays which of the following combinations would you select ------ --- Correct Answer --------- 90 kVp and 10 mA After the x-ray is turned off, how long do x-rays continues to exist in the room --------- Correct Answer --------- once time button is released x-rays no longer exist A radiographic with a thin image is difficult to interpret and may be caused by --------- Correct Answer --------- inaccuate timer too short developing time developing solution too cold A deficiency of riboflavin may cause --------- Correct Answer -------- chelilitis The highest concentration of fluoride in dental enamel is found in the ----------- Correct Answer -------- Outer surface When taking a preliminary impression, the compound heater temperature should be ----- ------ Correct Answer -------- 132 F To prevent film fogging, intraoral films should be processed under a red or orange safelight ----------- Correct Answer -------- 7 watts - 4 feet from the working surface The shape of the central upper incisor is ----------- Correct Answer -------- Shovel-shape with a chisel-shaped biting edge To protect eyes from foreign objects such as flying amalgam, --------- Correct Answer --- ----- use safety glasses A co-insurance of 80% means the --------- Correct Answer -------- insurance will pay 80% of the covered services The presences of disease producing organisms present in the operatory is referred to as --------- Correct Answer -------- sepsis Plaque begins to reform once it has been removed in approximately --------- Correct Answer -------- 1 hour

The most effective way to remove plaque from interproximal surfaces is --------- Correct Answer -------- floss The polymer of an acrylic is the --------- Correct Answer -------- powder The main ingredients of reversible hydrocolloid is --------- Correct Answer -------- water and agar If mA is increased while the kvp and the exposure time are kept constant, the resulting films will be the --------- Correct Answer -------- same When would an occlusal dental sealant not be used? --------- Correct Answer -------- when the tooth has decay Wedges are placed in order to --------- Correct Answer -------- separate the teeth The minimum temperature for dry heat sterilization is 340 degrees F for ___ minutes. --- ------ Correct Answer -------- 60 Before gloving, the hands are --------- Correct Answer -------- thoroughly washed with antiseptic soap If the dentist has dental malpractice insurance the dentist is protected against --------- Correct Answer -------- liability for negligence The composition of silver amalgam includes --------- Correct Answer -------- silver, copper, tin, and zinc If a credit memo is received from a supplier, it means that the company is --------- Correct Answer -------- reducing the balance of the account After balancing the assets and liabilities, the remainder is referred to as --------- Correct Answer -------- profit Bacteria that live only in the presence of oxygen are --------- Correct Answer -------- aerobes Color changes occur on the autoclave indicator tape when --------- Correct Answer -------

• it has been exposed to steam One of the advantages of using an ultrasonic cleaner opposed to hand scrubbing is ----- ---- Correct Answer -------- it can get into areas that cannot be reached by ordinary scrubbing Long term appointments require gloving --------- Correct Answer -------- every hour

Biological monitoring of an autoclave should be performed --------- Correct Answer -------

• weekly The process by which all forms of life are completely destroyed is --------- Correct Answer -------- sterilization The most common bacteria in the mouth is --------- Correct Answer -------- lactobacillus The dental insurance carrier is the --------- Correct Answer -------- insurance company The assistant gently applies pressure to a patient's arm during the local anesthetic injection to --------- Correct Answer -------- restrict sudden movement An instrument used to cut the carious dentin of a tooth is an --------- Correct Answer ----- --- evacuator The highest concentration of fluoride in dental enamel is found in the --------- Correct Answer -------- outer surface When setting a crown and/or bridge, the consistency of the cement should be --------- Correct Answer -------- thick enough to form a continuous 1/2 inch strand when lifted off the slab Epinephrine-impregnated cord is used to --------- Correct Answer -------- stop gingival bleeding and retract the gingiva The final setting time of a mix of dental stone ends when the --------- Correct Answer ---- ---- model can be separated from the impression The main purpose of dental corrective measures is to --------- Correct Answer -------- restore dental health A patient walking to the operatory suddenly collapses, there is no pulse or breathing. You should --------- Correct Answer -------- call for help and start CPR Glass bead sterilization of burs and endodontic instruments requires _____ seconds. --- ------ Correct Answer -------- 15 - 20 To protect oneself when handling soiled instruments --------- Correct Answer -------- use heavy utility gloves Any organism capable of causing disease is a --------- Correct Answer -------- pathogen The assistant's eye level when seated is --------- Correct Answer -------- 4 - 6 inches above that of the dentist

Plaque should be removed --------- Correct Answer -------- daily The consistency of a mixed cement is it's measure or ability --------- Correct Answer ----- --- to flow under pressure Disinfection of instruments is not to be chemically treated when the patient gives a history of --------- Correct Answer -------- hepatitis Prior to gloving, the hands are washed after --------- Correct Answer -------- removing all jewelry including watch Supplies which are used up are --------- Correct Answer -------- expendable The study of the spread or transmission of disease is --------- Correct Answer -------- epidemiology The following is not considered a clinical record. --------- Correct Answer -------- statement When using the autoclave, timing the sterilization cycle should begin when the --------- Correct Answer -------- correct temperature and pressure are reached If a sterile pack is opened and some of the instruments are used, the remaining instruments must be --------- Correct Answer -------- scrubbed, rewrapped, and sterilized Whether a telephone caller is a patient or non-patient, it is essential to --------- Correct Answer -------- record the time the call was received, determine if it is an emergency, and obtain the number of the telephone caller The sterilization process by which all forms of life are completely destroyed and is accepted in the dental office are --------- Correct Answer -------- super heated steam under pressure After the extraction of a tooth, a patient is instructed to --------- Correct Answer -------- stay closed on gauze for 30-45 minutes When working with mercury, a hygiene precaution which must be followed is --------- Correct Answer -------- store scrap amalgam underwater Prognathic is --------- Correct Answer -------- a condition in which the mandible protrudes menially in relationship to the maxillary arch A result of malocclusion may be --------- Correct Answer -------- difficulty in plaque removal

Preventive orthodontics includes --------- Correct Answer -------- proper use of space maintainers in the primary dentition, placement of fixed bridges in adult dentition, and sound restorative dentistry to retain primary teeth What items should be disinfected? --------- Correct Answer -------- impressions, appliances for oral cavity, x-ray head, wax rims, and pencil Surface disinfection procedures for counter tops, lights, chairs, etc. is to --------- Correct Answer -------- clean with iodophor solution spray, with 4x4 gauze sponge, and allow surface to dry A safe mercury vapor level in an 8 hour delay is --------- Correct Answer -------- 0.05mgl m3 air Periodontosis is --------- Correct Answer -------- a degenerative, non-inflammatory condition of the periodontium X-ray operator protection regulations require that the operator --------- Correct Answer --- ----- avoid primary, secondary, and scattered radiation must stand 6 feet away from the x-ray head never hold the film of the patient In case of an emergency, the patient should be kept laying down until --------- Correct Answer -------- the seriousness of the condition is determined by the dentist During preparation for pit and fissure sealants, the acid-etch solution should remain on permanent teeth for approximately ___ seconds. --------- Correct Answer -------- 60 Lead diaphragms must be small in the x-ray units because --------- Correct Answer -------

• x-radiation is decreased The most penetrating x-rays have --------- Correct Answer -------- short wavelengths If a film is not fixed long enough, it will be --------- Correct Answer -------- brownish The surface of one tooth that is touching an adjacent tooth is called a --------- Correct Answer -------- proximal surface Results of careless angulation of the x-ray tube include a --------- Correct Answer -------- cone cut Poor rinsing of x-ray film causes --------- Correct Answer -------- spots to form on the film Dental healthcare workers are required by the OSDB to be --------- Correct Answer -------
• inoculated for hepatitis

To take a preliminary impression for a full denture the material used may be --------- Correct Answer -------- irreversible hydrocolloid Used dental forceps must be --------- Correct Answer -------- sterilized with heat The subscriber is the --------- Correct Answer -------- employer Excessively dark radiographs may be caused by --------- Correct Answer -------- excessive kilovoltage power The monomers used with zinc phosphate cement powders are --------- Correct Answer -- ------ phosphoric acid The initial setting time of plaster is ___ minutes. --------- Correct Answer -------- 10 Patient records which record the rendering of dental services are classified as --------- Correct Answer -------- clinical Exhausted developer will produce a ____ image. --------- Correct Answer -------- thin, faded Cervical anchorage (headgear) is an --------- Correct Answer -------- appliance which exerts distal forces on maxillary teeth During the treatment of a root canal, irrigation is done with a --------- Correct Answer ----- --- Luer's loc syringe A rubber dam is used during endodontia for the purpose of --------- Correct Answer -------

• maintaining asepsis The removal of pulpal fibers from a necrotic tooth is accomplished with the use of a ------ --- Correct Answer -------- broach Hepatitis B vaccines should be administered --------- Correct Answer -------- in the deltoid muscle of the arm Which premolar may have 3 cusps? --------- Correct Answer -------- mandibular second A non-bacterial structure composed of complex sugar protein molecules which are the product of saliva are --------- Correct Answer -------- acquired pellicle The parotid duct opens into the mouth from inside of the cheek opposite the --------- Correct Answer -------- maxillary second molar Radiographs can be safely exposed to light during processing after --------- Correct Answer -------- fixing

Protection for the patient is proved by --------- Correct Answer -------- using a lead apron, using a lead thyrocervical collar, and closing the eyelids When water in the autoclave is heated at 15 psi and 121 degrees centigrade, what is formed? --------- Correct Answer -------- saturated steam The purpose of fixing film is to --------- Correct Answer -------- remove unaffected silver salts Over packing an autoclave may result in an --------- Correct Answer -------- inability of steam to properly penetrate the materials To maintain the space of a second primary molar, the appliance used is --------- Correct Answer -------- acid etch bonding The teeth usually supplied by two different nerves is the --------- Correct Answer -------- maxillary first molar Topical anesthetic application is done by a --------- Correct Answer -------- spray applicator To accurately determine the temperature of the processing solutions, the thermometer should be located in the --------- Correct Answer -------- wash water Pulpal damage that is irreversible is commonly caused by --------- Correct Answer -------- caries damage Under developing can cause the film to be --------- Correct Answer -------- light If the milliamperage is increased while the kilovoltage and exposure time are kept constant the radiograph will appear --------- Correct Answer -------- darker Which of the following may be classified as basic services on insurance? --------- Correct Answer -------- restorations and periodontal scaling Moisture contamination of amalgam results in --------- Correct Answer -------- internal corrosion, decrease in strength, and delayed expansion Maintenance of patients oral health is helped by --------- Correct Answer -------- a recall system, plaque control program, and a skilled dental team The appliance used to stabilize the teeth after active orthodontic treatment is finished is called a --------- Correct Answer -------- retainer

A mixed dentition usually consists of --------- Correct Answer -------- deciduous and permanent teeth existing in a child's mouth simultaneously The arch wire is located on which surfaces? --------- Correct Answer -------- labial or lingual surfaces To construct a mouth guard, the dental assistant must take an --------- Correct Answer -- ------ alginate impression A result of orthodontic treatment may be --------- Correct Answer -------- an improved appearance The term exodontist refers to a person who limits their practice to --------- Correct Answer -------- removal of teeth A common post-surgical complication following perio-surgery is --------- Correct Answer - ------- severe bleeding Cephalometry is --------- Correct Answer -------- taking measurements of the skull For the diagnosis and treatment planning of root canal therapy, it is necessary to have available --------- Correct Answer -------- x-ray film A biopsy is --------- Correct Answer -------- to obtain a specimen of a suspicious lesion The occlusal view of the maxillary first molar contains how many cusps? --------- Correct Answer -------- 5 When mixing ZOE in preparation for use in a dry socket, a ________ is used. --------- Correct Answer -------- parchment pad Plaster will emit warmth after mixing because --------- Correct Answer -------- of setting reaction Construction of custom trays calls for which type of resin material? --------- Correct Answer -------- acrylic resin The proper time to pour alginate impressions up in stone is --------- Correct Answer ------ -- immediately When constructing a custom acrylic tray, placing it in warm water will --------- Correct Answer -------- speed polymerization One of the uses of plaster is --------- Correct Answer -------- to take an impression

The primary use of the high-velocity evacuator tip is to --------- Correct Answer -------- properly keep the field clear Record of sterilization monitoring should be kept on file for --------- Correct Answer -------

• State Dental Board and legal purposes The test that is used to measure the pH of the saliva found in the mouth is --------- Correct Answer -------- Snyder test What vitamin deficiency is responsible for many periodontal problems? --------- Correct Answer -------- D Disclosing tablets are used to --------- Correct Answer -------- detect plaque The periodontal probe is placed between the tissue and the tooth surface to --------- Correct Answer -------- measure the depth of the pocket A recommended concentration of fluoride in drinking water is approximately __ part(s) per million --------- Correct Answer -------- 1 Once plaque has been thoroughly removed, it will take __ hours to form again. --------- Correct Answer -------- 24 What is the best method to verify proper sterilization for the autoclave? --------- Correct Answer -------- biological indicator What is not among transmitted diseases? --------- Correct Answer -------- oral cancer What does not sterilize? --------- Correct Answer -------- ultra sonic To prevent cross contamination in the dental office, which of the following is true regarding the use of gloves? --------- Correct Answer -------- use of a new pair of gloves between patients An advantage of using fixed rather than a removable orthodontic appliance is --------- Correct Answer -------- elimination of dependence upon patient cooperation Hands must be --------- Correct Answer -------- washed and re gloved before every patient When taking the blood pressure on the adult make, the normal range of the systolic will fall between what? --------- Correct Answer -------- 120 - 140mm A patient scheduled for dental surgery using local anesthetic is cautioned against using _____ prior to surgery. --------- Correct Answer -------- alcohol

Organisms that can live either in the presence or absence of oxygen are --------- Correct Answer -------- facultative organisms A Class II cavity requires a --------- Correct Answer -------- tofflemire retainer Deciduous dentition is composed of ____ teeth. --------- Correct Answer -------- 20 When taking a preliminary impression, the compound heater temperature should be ----- ---- Correct Answer -------- 132 degrees F Knowledge of the patient's medical and health history may affect the --------- Correct Answer -------- treatment plan, drugs prescribed, and frequency of appointments The following is used to tie the arch wire into orthodontic brackets --------- Correct Answer -------- ligature wire An important function if the dental assistant in an orthodontic practice is to --------- Correct Answer -------- motivate and reinforce home oral care To establish the working length at the root tip during root canal therapy, the dentist should --------- Correct Answer -------- use an exact measurement on the x-ray The dental specialty called pedodontics is defined as limited to the treatment of --------- Correct Answer -------- birth and mixed dentition Apicoectomy is a surgical procedure involving radical removal of the --------- Correct Answer -------- apex of roots The Greek prefix "ortho" means --------- Correct Answer -------- straight The provider is the --------- Correct Answer -------- dentist When constructing a shellac base plate, a safety precaution that must be observed is to avoid --------- Correct Answer -------- overheating An x-ray badge is a device to monitor --------- Correct Answer -------- radiation exposure A person in a state of shock will show the following signs: --------- Correct Answer -------- cool, pale skin dilated pupils shallow breathing The abbreviation q.i.d means --------- Correct Answer -------- 4 times a day A bleeding victim will show no harmful effect with the loss of ___ of blood. --------- Correct Answer -------- one pint

The condition which refers to the depressed state of the various body functions is called --------- Correct Answer -------- shock When a patient has an acrylic or gold crown lodged in his/her throat, the first thing you should do is --------- Correct Answer -------- use abdominal thrust For post-operative dental pain, the most commonly dispensed drug is --------- Correct Answer -------- asprin In most dental offices, a patient's pulse is obtained from the pressure point at which artery? --------- Correct Answer -------- radial When taking the oral temperature using a class thermometer, the thermometer is left in the patient's mouth for --------- Correct Answer -------- 5 minutes Syncope refers to --------- Correct Answer -------- a lack of blood to the brain If a patient faints, the correct procedure for the assistant to do is --------- Correct Answer -------- place head lower than the rest of the body An antidote is --------- Correct Answer -------- a drug used to counteract the effects of poison In one-rescuer CPR, the rate of compressions to breaths are --------- Correct Answer ---- ---- 15 compressions to 2 breaths Dental disease is caused by --------- Correct Answer -------- uncontrolled plaque The organ(s) or tissue(s) most sensitive to ionizing radiation are the --------- Correct Answer -------- reproductive organs When checking the respiration rate, breathing will appear --------- Correct Answer -------- deep and regular Dental radiographs are the property of --------- Correct Answer -------- the dentist exposing the radiograph Air bubbles in a mix of plaster __________ the mixture. --------- Correct Answer -------- affects the strength of X-ray exposure to the patient is best reduced by using ____ film. --------- Correct Answer -------- fast The bitewing x-ray is designed to show the ______ areas. --------- Correct Answer -------- interproximal

When scheduling a patient for oral surgery, the medical history should be checked for which of the following possible complication? --------- Correct Answer -------- hemophilia Before insurance benefits are effective, the patient must pay a required amount known as the --------- Correct Answer -------- deductible When dealing with insurance, services which include prosthetics are --------- Correct Answer -------- major When reviewing a health history form, if the patient has written "N/A" it means --------- Correct Answer -------- not applicable Which of the following name comes first in alphabetical order? J.A. Eastman James Eastman J. Eastman Janet A. Eastman --------- Correct Answer -------- J. Eastman When taking telephone message, it is essential to record --------- Correct Answer -------- who called, when the call was received, and why the person called The following condition frequently accompanies an epileptic seizure. --------- Correct Answer -------- clenching of the teeth A preventive measure which the assistant can do for the patient who is in an epileptic seizure is --------- Correct Answer -------- prevent the patient from self-injury A raised button on a radiograph helps to --------- Correct Answer -------- mount the film Pit and fissure sealants polymerizes as a result of --------- Correct Answer -------- light curing and/or self-curing Milliamperage controls which of the following? --------- Correct Answer -------- speed of electrons going from the cathode to the anode The radiograph is underexposed when --------- Correct Answer -------- it has light and faint images A maxillary arch dental periapical radiograph can be identified by the --------- Correct Answer -------- sinus pockets Money owed is referred to as --------- Correct Answer -------- liabilities Appointment books are divided into --------- Correct Answer -------- 15 minutes waits A factor in a patient's medical history requiring the dentist's immediate attention is --------

• Correct Answer -------- hemophilia

If the expiration date on an item has passed, you should --------- Correct Answer -------- tell the dentist The most effective method of deciding the time to reorder an item is when --------- Correct Answer -------- a minimum inventory level is reached The best storage area for x-rays is --------- Correct Answer -------- a lead box The numbering system used on insurance forms is --------- Correct Answer -------- universal Some legal authorities recommended that records be kept for ___ years. --------- Correct Answer -------- 7 - 10 A patient's records are --------- Correct Answer -------- confidential When a patient requests his or her x-rays upon leaving the dental practice, --------- Correct Answer -------- offer to mail the x-rays to the new dentist Treatment recommended at the onset of respiratory arrest is --------- Correct Answer ---- ---- mouth-to-mouth resusitation Another name for the parotid duct is --------- Correct Answer -------- Stensen's duct A vertical overlap of the maxillary teeth is referred to as an --------- Correct Answer -------

• overbite The most commonly used method of annotating teeth adopted by the ADA is --------- Correct Answer -------- the Universal Numbering System Which is a gypsum product? --------- Correct Answer -------- plaster, stone, invetment The anatomical tooth is divided into --------- Correct Answer -------- sixths A quadrant in an adult mouth is ___ teeth. --------- Correct Answer -------- 8 The following is not a tooth structure. --------- Correct Answer -------- enamel Surgical patients experiencing a post-operative upset stomach are told to --------- Correct Answer -------- drink ginger ale For descriptive and comparative purposes, each tooth surface is divided into imaginary - -------- Correct Answer -------- thirds Another name for a cuspid tooth is a --------- Correct Answer -------- canine

A tooth shaped like a shovel with a chisel bevel biting edge is an --------- Correct Answer -------- incisor A clinical crown is divided into --------- Correct Answer -------- thirds When mounting x-rays with the dot towards you, you are mounting as if you are --------- Correct Answer -------- facing the patient The form used to list details of all dental treatment is the --------- Correct Answer -------- patient chart The relationship of the upper and lower arches is called the --------- Correct Answer ------ -- occlusion Morphology means tooth --------- Correct Answer -------- structure The teeth names describe their functions and incisor means adapted for --------- Correct Answer -------- cutting Obtaining of a diet record of a dental patient is to --------- Correct Answer -------- have patients recognize their habits of ingesting food When measuring the gingivial sulcus, the probe is placed --------- Correct Answer -------- between the tissue and the tooth surface Custom trays are constructed primarily for the purpose of --------- Correct Answer -------- having a tray that fits the patient's mouth for final impressions The ideal temperature of solutions used in processing dental radiographs is --------- Correct Answer -------- 68 - 72 degrees F Sterilization by autoclaving is achieved by use of --------- Correct Answer -------- steam under pressure Protective eyewear and masks are required by the Ohio State Dental Board when ------- -- Correct Answer -------- working on a patient Costs necessary to practice dentistry are referred to as --------- Correct Answer -------- overhead To prevent both the staff or the patients from coming into contact with pathogens, the dental assistant must initiate the use of --------- Correct Answer -------- barrier techniques The recommended minimum time for use of a chemical agent to disinfect instruments is ___ minutes. --------- Correct Answer -------- 30

The monomer of an acrylic is the --------- Correct Answer -------- liquid The best method to sterilize instruments used for a root canal is --------- Correct Answer -------- glass bead A technique to attach buccal tubes to molar bands is --------- Correct Answer -------- spot welding The etiology pertaining to orthodontics is the science of finding the cause of --------- Correct Answer -------- crowding of teeth Displacement of a rubber dam clamp may be prevented by --------- Correct Answer ------ -- a ligature tied to the clamp Debridement is --------- Correct Answer -------- a mechanical removal of the infectious material of a lesion An instrument used to remove the pulpal fibers of an abscessed tooth is --------- Correct Answer -------- the broaches A fistula is --------- Correct Answer -------- an abnormal passageway The purpose of condensing amalgam is to --------- Correct Answer -------- strengthen the restoration, adapt materials to the cavity walls, and eliminate excess mercury The setup for a pit and fissure sealant procedure must include --------- Correct Answer -- ------ a sealant solution and a light cure source Shellac baseplates are used to --------- Correct Answer -------- form tissue area of occlusion rims To achieve proper adaptation of matrix band materials it is necessary to --------- Correct Answer -------- burnish A gel that is applied to the teeth and has been demonstrated by clinical studies to have a caries preventing effect on the teeth contains --------- Correct Answer -------- acidulated phosphate-fluoride Subgingival plaque may be controlled by using a rinse containing --------- Correct Answer -------- chlorhexidine gluconate 0.2% A thorough dental examination includes --------- Correct Answer -------- a soft tissue examination, a radiographic survey, and an examination of the teeth

A radiography with a thin image is difficult to interpret and may be caused by --------- Correct Answer -------- too short of a developing time To influence the exposure time of a dental x-ray, the operator must --------- Correct Answer -------- measure the distance of the cone from the target Impression material may be classified as --------- Correct Answer -------- rigid, plastic, and elastic A patient's chart is a legal document and when necessary to transfer records, --------- Correct Answer -------- a photocopy of all the records sent Angle's classification of malocclusion is based upon the --------- Correct Answer -------- relationship between the maxillary and mandibular first molars A function of a fixed bridge is to --------- Correct Answer -------- prevent movement of teeth What factor determines the penetrating quality of the x-ray beam? --------- Correct Answer -------- kilovoltage A class II cavity involves __________ tooth surfaces. --------- Correct Answer -------- occlusal and proximal An instrument included in the setup for periodontal surgery is a --------- Correct Answer - ------- curette The OSDB defines "barrier techniques" as --------- Correct Answer -------- patient/personnel protection A patient's proficiency in oral hygiene skills may be evaluated with a --------- Correct Answer -------- plaque index A plaque index is to --------- Correct Answer -------- evaluate the patient's proficiency on oral hygiene skills The proper steps used to obtain a "Snyder Test" specimen for a child are --------- Correct Answer -------- swab the tooth surfaces with cotton, stab the swab into medium, break off the swab, cap the tube, and incubate Full coverage of a deciduous molar best indicates the use of --------- Correct Answer ---- ---- a stainless steel crown Holding the x-ray tube when exposing film is not safe because --------- Correct Answer -- ------ the tube does not confine radiation

A mounting device used to hold abrasive disks in the hand piece is called a --------- Correct Answer -------- mandrel For those who work with radiation, the maximum whole body does considered permissible is --------- Correct Answer -------- 0.1 rem/wk Covering of a radiograph film is --------- Correct Answer -------- silver bromide salts If the sinus area is shown on the radiograph, it indicates the film is of the --------- Correct Answer -------- maxillary molar An interdental cleansing aid is --------- Correct Answer -------- stim-u-dent Virulence describes the --------- Correct Answer -------- strength of the virus The ultrasonic cleaner is used for cleaning instruments and may also be used for --------- Correct Answer -------- carbide burs, calculus from dentures, and removing cement from bridges Orthodontic treatment frequently requires the extraction of the --------- Correct Answer -- ------ bicuspids Who decides the legal duties of the dental auxiliary? --------- Correct Answer -------- State Dental Board An alginate impression taken on a child patient should be --------- Correct Answer -------- mandibular arch Topical anesthetic is effective on --------- Correct Answer -------- epithelial tissue Placement of the high velocity evacuator tip is determined by the --------- Correct Answer -------- gravitational flow of the water spray An anesthetic carpule is considered "safe" to use if the --------- Correct Answer -------- contents are clear and has small bubbles present Improper sterilization could result in patient infection such as --------- Correct Answer ---- ---- herpes simplex, hepatitis, and influenza After topical application of fluoride, a patient is told not to eat, drink, or rinse the mouth for a minimum period of --------- Correct Answer -------- 30 minutes A complex cavity involving two or more surfaces requires a --------- Correct Answer ------ -- tofflemire retainer

The most reliable method of sterilization is --------- Correct Answer -------- steam under pressure The enamel producing cells are --------- Correct Answer -------- ameloblasts The cusp of cerebelli is found on a --------- Correct Answer -------- permanent molar Air bubbles clinging to the surface of the film in the developer shows up as a --------- Correct Answer -------- white blotch Direct eye contact with a light cure source by the dental assistant should be --------- Correct Answer -------- completely avoided The dental assistant giving post operative surgical instructions should include information about the --------- Correct Answer -------- medication to be taken What part of the insurance form can be used as a reference for identification? --------- Correct Answer -------- the social security number The first-aid treatment in an emergency is --------- Correct Answer -------- restore breathing, control bleeding, and treat for shock The first step in a primary survey of an unconscious patient is --------- Correct Answer --- ----- check for open airway Anaphylatic shock is --------- Correct Answer -------- a sudden violent allergic reaction The average adult will have a normal body temperature reading of ___ when using a glass thermometer. --------- Correct Answer -------- 98.6 degrees F A line angle is --------- Correct Answer -------- two surfaces that meet In abdominal thrusts what part of the fist is placed against the patient? --------- Correct Answer -------- thumb side Insulin shock is due to --------- Correct Answer -------- decrease in blood sugar First Aid treatment for a patient going into insulin shock is to --------- Correct Answer ----- --- have the patient ingest candy or fruit drink Angina pectoris is --------- Correct Answer -------- a painful condition in the cardiac region The amount of water used to mix gypsum products is related to --------- Correct Answer - ------- the irregularity of gypsum particles A patient's health history must include --------- Correct Answer -------- an address

A chemical bond is formed between the tooth surface and the cement during the setting process when using which cement? --------- Correct Answer -------- carboxylate cement An item that must be included on a setup for a study model impression is --------- Correct Answer -------- a rim-lock perforated tray The most hazardous radiation to the operator is --------- Correct Answer -------- scattered A point angle is --------- Correct Answer -------- three surfaces that meet A Class V caries is located on the ______ third of the clinical crown. --------- Correct Answer -------- cervical A cause of malocclusion may be --------- Correct Answer -------- oral habits Determining the condition of the pulp of the tooth is accomplished with --------- Correct Answer -------- a vitalometer Plaque is --------- Correct Answer -------- food debris and bacteria A drug given to alleviate an attack of angina pectoris is --------- Correct Answer -------- nitroglycerin An early warning indicator of x-ray dermatitis is --------- Correct Answer -------- reddening of the skin OSHA requires that each office or institution must post --------- Correct Answer -------- Materials Safety Data Sheets (MSDS) Hems that can withstand repeated exposure to heat can be --------- Correct Answer ------ -- only heat sterilized Periodontal pockets is eliminated with the ________ technique. --------- Correct Answer -------- gingivectomy The medication being taken by the patient that could create the most serious problems during oral surgery is --------- Correct Answer -------- anticoagulant The Snyder Test is used to estimate the count of --------- Correct Answer -------- lactobacillus acidophilus The most acceptable method of gingival massage tooth brushing is --------- Correct Answer -------- Charters method The purpose of the periodontum is to --------- Correct Answer -------- support the teeth

An indicator that a patient requires CPR is --------- Correct Answer -------- lack of pulse A normal diastolic blood pressure reading for an adult is __ mm. --------- Correct Answer -------- 80 The abbreviation "9" on a prescription means --------- Correct Answer -------- every What mark on the face is used for a maxillary anterior occlusal film? --------- Correct Answer -------- bridge of the nose The most vital substance of a tooth is the --------- Correct Answer -------- pulp The most common emergency that occurs in the dental office is --------- Correct Answer -------- syncope Improper angulation when taking dental x-rays may result in --------- Correct Answer ----- --- elongation of image When giving CPR, the victim's head should be --------- Correct Answer -------- level with the chest In case of emergency, the patient should be kept --------- Correct Answer -------- normal tempature The lingual surface of a tooth lies adjacent to the --------- Correct Answer -------- tongue To record the blood pressure, the reading recorded first is the --------- Correct Answer --- ----- systolic Another term for bite-wing x-rays is --------- Correct Answer -------- interproximal In a bonding process the composite resins are used together with --------- Correct Answer -------- acid-etch technique A water irrigator is used to --------- Correct Answer -------- stimulate oral tissue To protect x-ray film, store it in a container lined with --------- Correct Answer -------- lead The occlusal plan of the teeth should be placed in what relation to the floor during film exposure? --------- Correct Answer -------- parallel During pulpotomy procedures the dental instrument frequently used is --------- Correct Answer -------- small surgical curette

What metal is used in the construction of the anode target? --------- Correct Answer ------ -- tungsten The normal respiration range for an adult is --------- Correct Answer -------- 12 - 20 per minute A film is elongated by --------- Correct Answer -------- insufficient vertical angulation What is true of hepatitis B surface antigen positive people? --------- Correct Answer ------ -- they have contracted and may be able to transmit HBV The use of fast speed film --------- Correct Answer -------- helps prevent blurring When operating the control switch, how far from the patient's location must an operator stand in order to escape the most harmful x-rays? --------- Correct Answer -------- 6 feet A panoramic radiograph should not be used to --------- Correct Answer -------- chart caries Handpieces and prophy angles should be --------- Correct Answer -------- autoclavable A tray setup for a crown and bridge cementation includes a --------- Correct Answer ------ -- sickle scaler Exfoliation of a primary tooth occurs by --------- Correct Answer -------- root resorption of the primary tooth A cross-reference file is --------- Correct Answer -------- to enable one to locate materials filed under other systems The primary route of tuberculosis transmission is via --------- Correct Answer -------- airborne droplets X-radiation flashback on the x-ray film is caused by --------- Correct Answer -------- necklace, earrings, and glasses The first clinical sign of excessive exposure to radiation is --------- Correct Answer -------- erythema A supply company may encourage the buyer to pay promptly by allowing a ____ discount. --------- Correct Answer -------- cash The substance produced by the body in response to the hepatitis B vaccine is an --------- Correct Answer -------- antigen

What is true about the hepatitis B vaccine? --------- Correct Answer -------- It requires more than one dose The reason alcohol is not an acceptable disinfecting solution is because it --------- Correct Answer -------- evaporates too rapidly from surfaces For descriptive and comparative purposes each tooth surface is divided into imaginary - ---------- Correct Answer -------- Thirds Gloves must be ----------- Correct Answer -------- Disposable The term exodontist refers to a person who limits their practice to ----------- Correct Answer -------- Removal of teeth If a patient writes "N/A' on a health history form, the "N/A" means ----------- Correct Answer -------- Not Applicable When various body functions are in a depressed state, it is called ----------- Correct Answer -------- Shock The medication being taken by a patient that could create the most serious problems during oral surgery ----------- Correct Answer -------- Anticoagulants The most common cause of dental disease is ----------- Correct Answer -------- Uncontrollable Plaque Ultrasonic cleaning of instruments may be used instead of hand-scrubbing. One of the advantages: ----------- Correct Answer -------- Is it can get into areas that cannot be reached by ordinary scrubbing Dental malpractice insurance protects the dentist against ----------- Correct Answer -------

• Liability for negligence The bleeding which occurs at the time of the injury is called ----------- Correct Answer ---- ---- Primary bleeding When working with plaster, you strive for no air bubbles because it affects ----------- Correct Answer -------- The strength of the mixture If an expiration date on an item has passed, remove the item from the shelf and ----------
• Correct Answer -------- Tell the dentist It is necessary to use a rubber dam during endodontia to ----------- Correct Answer -------
• Maintain asepsis

To prevent cross-contamination in the dental office, which of the following is true regarding the use of gloves? ----------- Correct Answer -------- Use a new pair of gloves between patients Debridement is ----------- Correct Answer -------- Mechanical removal of the infectious material of a lesion The reason that alcohol is NOT an acceptable disinfectant solution is because it ----------

• Correct Answer -------- Evaporates too rapidly from surfaces A dental instrument frequently used during irrigation of root canal procedures is ----------- Correct Answer -------- Luer Loc Syringe Syncope refers to ----------- Correct Answer -------- A lack of blood to the brain A deficiency of what vitamin is responsible for many periodontal problems ----------- Correct Answer -------- C The ----------- Correct Answer -------- The Ohio Dental Board defines "barrier technique" under ----------- Correct Answer -------
• Patient/personnel protection A result of orthodontic treatment may be ----------- Correct Answer -------- Improved appearance If you have received a credit memo from a supplier, it means that the company is -------- --- Correct Answer -------- Reducing the balance of your account The subscriber is the ----------- Correct Answer -------- Employee Glass bead sterilization of burs and root canal instruments require ----------- Correct Answer -------- 10 to 25 seconds Over-fixation causes ----------- Correct Answer -------- Bleaching of the radiograph to a thin, shiny image After topical application of fluoride, a patient is told not to eat, drink or rinse mouth for a minimum period of ----------- Correct Answer -------- 30 minutes Which of the following instruments might be included on a set-up for a crown and bridge cementation? ----------- Correct Answer -------- Sickle and scaler In a bonding process the composite resins are ----------- Correct Answer -------- used together with acid etch technique

Epileptic seizures are frequently accompanied ----------- Correct Answer -------- by clenching of the teeth Prognathic is ----------- Correct Answer -------- a condition in which the mandible protrudes mesially in relationship to the maxillary arch The autoclave indicator tape changes color when ----------- Correct Answer -------- it has been exposed to steam The assistant gently applies pressure to the patients arm during the local anesthetic injection ----------- Correct Answer -------- Restrict movement The average adult will have a normal body temperature of ----------- Correct Answer ------ -- 98.6 F A handling precaution of compound tray materials is to avoid ----------- Correct Answer -- ------ overheating If a film is not fixed long enough it will be --------- Correct Answer --------- brownish Federal regulations stipulate that the primary beam must be ______________ at the skin surface --------- Correct Answer --------- 2.75 inches maximum The dose of ionizing radiation to which a person in a radiation related occupation can be exposed over a given period of time without sustaining appreciable bodily injury as a result of the exposure defines the --------- Correct Answer --------- maximum permissible dose Which of the following are true regarding automatic film processing solutions --------- Correct Answer --------- solution must be replenished at least once a day After a root canal is irrigated, the patient is usually instructed to return in --------- Correct Answer --------- 3 - 7 days Which teeth are most commonly extracted during orthodontic treatment? --------- Correct Answer --------- bicuspids The provider is the --------- Correct Answer --------- dentist If a patient faints, the correct procedure is for the assistant to --------- Correct Answer ---- ----- place the head lower than the rest of the body Some of the legal authorities recommend that records be kept for --------- Correct Answer --------- 7 - 10 years

The relationship of the upper and lower arches is called the --------- Correct Answer ------ --- occlusion The negative electrode of the x-ray tube is --------- Correct Answer --------- cathode After mixing plaster, it gets warm because --------- Correct Answer --------- of setting reaction X-ray operator protection requires that you --------- Correct Answer --------- avoid primary, secondary and scattered radiation must stand 6 feet away from x-ray head never hold film of patient to increase the penetrating quality of an x-ray beam, the dental assistant must --------- Correct Answer --------- increase kVp to protect x-ray film, it must be stored in a container lined with --------- Correct Answer --- ------ lead An indicator of the maxillary arch of a dental periapical radiograph is --------- Correct Answer --------- sinuses The primary purpose of making custom tray is to --------- Correct Answer --------- have a tray that will fit patients mouth for final impressions The ideal temperature of solutions used in processing dental radiographs is --------- Correct Answer --------- 68 - 72 degrees Blurred films can result from --------- Correct Answer --------- patient movement When checking respiration rate, breathing will appear --------- Correct Answer --------- shallow and regular Regulations to follow for safety of operatory --------- Correct Answer --------- to locate dental x-ray unit a the most distant point possible from heavy traffic flow walls constructed of sheet of lead A biopsy is --------- Correct Answer --------- to obtain a specimen of a suspicious lesion Underexposure of radiographs is suspected when the x-ray is --------- Correct Answer --- ------ light The purpose of fixing film is to --------- Correct Answer --------- remove the unaffected silver salts