General Chairside Assisting (Board Exam) Graded A 2024: Questions and Answers, Exams of Nursing

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General Chairside Assisting

(Board Exam) Graded A 202 4

What instrument is used to lift and retract incised soft tissues? - : a periosteal elevator What is the goal of a cavity prep? - : to remove all decay from the tooth, remove as little healthy tooth structure as possible, shape the prep for retention purposes, and protect the pulp from damage. What type of impression material should NOT be mixed while wearing latex gloves? - : condensation silicone The LDA receives a shipment of items previously ordered. How should the LDA store the new items? - : behind older items All of the following are parts of the periodontium EXCEPT. a) alveolar bone b) cementum c) gingiva d) hard palate - : d) hard palate Obturation of the root canal is - : the filling and sealing of the root canal What would be the name of a surface of a tooth that is toward the midline and faces the tongue? - : mesiolingual What is another name for the cervical line of a tooth? - : cementoenamel junction About how old would a child be if the permanent canines are all erupted but the second molars are not yet erupted? - : around 11-12 years old What is the name for the type of fixed prosthesis that only has one abutment? - : a cantilever bridge BWX radiographs are exposed on a new PT. The dentist indicates that there is decay under an existing restoration. What is the name for this type of caries? - : recurrent decay A patient with bulimia may have which type of wear visible on the lingual surfaces of the teeth? - : erosion

List 4 characteristics of gingivitis - : perio pockets greater than 4mm, loss of stippling, bleeding upon brushing, reddened gingival tissues. The patient clinical record should include all of the following EXCEPT. a) financial records b) records of prescriptions c) radiographs d) medical history - : a) financial records Where should the lower edge of the sphygmomanometer cuff be placed when taking blood pressure? - : 1-2 inches above the antecubital fossa (the crease in the elbow) How often should the patient's medical history be updated? - : at every patient visit What is the order of steps in the fabrication of a complete denture? - : preliminary impressions, final impressions, jaw relationships, try-in, delivery. What classification of restoration is needed for an MO decay on the mandibular first molar? - : class II What procedure involves the removal of the coronal portion of the pulp? - : pulpotomy Which tooth is represented by the letter E? - : primary maxillary left central incisor What are a few methods a dental team could use to prevent medical emergencies in the dental office? - : maintain asepsis during all procedures, maintain updated and thorough medical histories, and provide the patient with information regarding the procedure. What drug would be used to treat anaphylactic shock? - : epinephrine What is the name of the procedure in which softened impression compound is placed along the edges of a custom tray and then the patient's soft tissues are manipulated to establish the accurate length for the edges of the tray before the final impression is taken? - : border molding or muscle trimming What class of occlusion does a patient have if the mandible is in a more mesial relationship to the maxilla than normal? - : Class III What should be the treatment for a conscious PT in insulin shock? - : administer a sugar source An office emergency kit should include which of the following? a) portable O2 tank b) sugar source c) emergency medication syringes, and needles d) all of the above - : d) all of the above

What does the abbreviation qid mean? - : 4 times a day Where should the topical anesthetic be places if the mandibular right first molar will be treated? - : on the mandibular retromolar area Nitrous oxide should not be used for which type of patient? a) a PT with nasal obstuction b) a PT in the first trimester of pregnacy c) a PT with multiple sclerosis d) all of the above - : d) all of the above Which needle would have the largest diameter? a) short, 27 gauge needle b) short, 25 gauge c) short, 30 gauge d) these needles are all the same - : b) short, 25 gauge needle When an item that has been ordered is not available for shipment at the time of ordering, it is known as? - : a back ordered item Where should the LDA's eye level be in relation to the dentist's eye level when they are both seated chairside? - : 4-6 inches above that of the dentist How should the dental dam clamp be applied to the anchor tooth? - : the lingual jaws of the clamp are seated first The anchor tooth for a dental dam clamp should be? - : one or two teeth distal to the tooth being prepared A #8 bur will have what shape to it? - : round What rotary instrument would be used to make an adjustment on the acrylic portion of a denture? - : a laboratory or vulcanite bur What first aid measures should be taken by a PT who calls the office with an avulsed tooth? - : gently rinse the tooth in water and try to replant the tooth, bit gently on a piece of soft fabric to stabilize the tooth, if the tooth cannot be re implanted, place it in milk, saline or saliva to transplant it to the dentist What technique would allow for the proper amount of time necessary for the placement of a dental cement in a crown? - : follow manufacture's directions carefully to allow for the proper working time What is the name of the area of the oral cavity that is located behind the mandibular molars? - : retromolar pad

What might be happening if a PT has the following signs and symptoms: confusion, headache, impaired speech, respiratory difficulty, paralysis and unconsciousness? - : cerebrovascular accident (stroke) What indicated that the final setting time of dental stone has been reached? - : the model will be cool and dry What are some of the primary functions of primary teeth? (list 3) - : aid in the acquisition of speech, act as a guide for the developing permanent teeth, premature loss of primary teeth can effect the eruption of the permanent tooth List two techniques used when taking alginates - : try the trays in the PT's mouth before taking the impression and smooth the surface of the alginate with a moist gloved finger before placing the tray in the PT's mouth List 4 examples of interceptive orthodontics - : use of a space maintainer, control of thumb sucking, control of decay, orthognathic surgery When mixing gypsum products, what a two key things to remember? - : mix for about 60 seconds and vibrate for at least 15 seconds to remove air bubbles What are 2 traumatic injuries that often occur within pediatric dentistry? - : avulsion and intrusion Treatment for alveolitis would include what? (2) - Irrigation with a saline solution and placement of iodoform gauze What are 4 criteria for a trimmed set of diognostic models? - : the bases of the max. and mand. models are parallel to each other, when placed in occlusion the backs of the models sit flush on a flat surface with no movement of occlusion, all anatomic features are preserved and overall height of the models in occlusion is about 3 inches What cement has an acidic quality that may be irritating to the pulp? - : zinc phosphate Calcium hydroxide is used for what? - : to promote the formation of secondary dentin What would be the best treatment option for a primary tooth with an extensive carious lesion? - : a stainless steal crown Acid etchant is used for what purpose during a cavity prep? - : to prepare the enamel surfaces for the bonding process What are 4 safety precautions to take when working with or handling mercury? - : provide adequate ventilation, wear protective barriers, use premeasured amalgam capsules and don't heat the amalgam

Why is the use of an ultrasonic condenser discouraged for the condensation of amalgam? - : it might fracture the amalgam, it decreases the setting time, it weakens the set amlgam, and it increases the evaporation of the mercury which poses a health risk to dental personnel When working with composite filling materials, what are 3 techniques to be used? - : select shade under natural lighting, do not dispense a light-cured material until ready to use, use a light shield when using the light curing unit What are the proper techniques used when mixing zinc phosphate cement? (57) - : mix on a cool glass slab, add powder in increments (4-6), mix over a wide area of the mixing slab