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SIMULATED NBDHE- TEST 3 solution
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Law is divided into two categories - civil and criminal. Civil law is defined as law established for preventing harm against society. - The first statement is true, the second is false. Alcoholism is a chronic progressive disease that is treatable and can be arrested. Treatment of this illness implies control, not complete cure. - Both statements are TRUE. How can hepatitis B viruses (HBV) be spread from mother to offspring? - At the time of delivery The BEST reason to use a locally applied antimicrobial product is to - suppress and eliminate pathogens. The root of the mandibular lateral incisor is slightly wider, thicker, and longer than that of the central incisor. Proximal grooves are commonly found on the root surface, giving the appearance of a double root. - Both statements are TRUE. Which of the following oral bacteria are found primarily in the intestines of humans? - Facultative streptococci Which of the following muscles pulls the lateral borders of the tongue downward? - Hypoglossus What is the BEST instrument to use for debriding a dental implant? - Plastic instrument of various working-end designs During an oral inspection, a tongue blade is used to do an initial cursory examination intraorally because - it is discarded, limiting the potential of cross-contamination. A dental hygienist whose ethical principles include taking only necessary radiographs and maintaining equipment to prevent client injury, such as replacing worn instruments, is demonstrating what type of ethical principle? - Beneficence During periodontal inflammation, what type of fluid is formed from leakage of dilated blood vessels within the lamina propria? - Gingival crevicular All of the following may be seen as oral manifestations of chemotherapy EXCEPT one. Which one is the EXCEPTION? - Trismus A possible result of vitamin D deficiency is - enamel hypoplasia.
Particulate and electromagnetic radiation with sufficient energy to remove orbital electrons from atoms is referred to as what type of radiation? - Ionizing The key to optimal physical and manipulative properties of alginate materials is the use of - proper water to powder ratio. A periapical examination reveals an inverted pear-shaped radiolucency between the roots of the maxillary lateral and canine teeth. The client is asymptomatic, and the adjacent teeth are vital. What is the correct diagnosis for this pathologic condition? - Globulomaxillary cyst A group of community dental hygienists is planning a five-year preventive dental health program for three elementary schools due to a reported high incidence of dental caries. All three schools are part of a school district whose school board approved the program but is interested in keeping expenses to a minimum. Rather than offering a dental sealant program, it was decided to fluoridate the schools' water supply and initiate a school fluoride mouthrinse program. One of the first things the dental hygienists performed was a pre-index assessment of dental caries. The results showed a mean caries rate of 5.6 teeth per child. The dental hygienists also sent a questionnaire to the parents of these children. The parental response rate was 32 percent, and it was determined from the results that most children do not see a dentist regularly and have a high intake of sugar. The recommended fluoride level of a school water s - 4.5 times greater A group of community dental hygienists is planning a five-year preventive dental health program for three elementary schools due to a reported high incidence of dental caries. All three schools are part of a school district whose school board approved the program but is interested in keeping expenses to a minimum. Rather than offering a dental sealant program, it was decided to fluoridate the schools' water supply and initiate a school fluoride mouthrinse program. One of the first things the dental hygienists performed was a pre-index assessment of dental caries. The results showed a mean caries rate of 5.6 teeth per child. The dental hygienists also sent a questionnaire to the parents of these children. The parental response rate was 32 percent, and it was determined from the results that most children do not see a dentist regularly and have a high intake of sugar. An effort to encourage eating healthy snacks at ho - health promotion. Periodontal abscesses MOST commonly occur when - Within seconds after receiving a posterior superior alveolar injection, a client's face becomes extremely distended and edematous on the injected side. Which of the following is the treatment of choice? - Administer antihistamines Which of the following factors may induce bradycardia? - Fasting Treatment of periodontal disease almost always involves the use of systemic antibiotics.
If possible, it is recommended to place pit-and-fissure sealants on two quadrants at the same time. Placing pit-and-fissure sealants on two quadrants at the same time enables improved retention and a longer-lasting sealant. - Both statements are FALSE. The two MOST common bleaching agents used for whitening vital teeth are - hydrogen peroxide and carbamide peroxide. The annual radiation maximum permissible dose (MPD) for occupationally exposed workers is - 50 mSv. If a dental hygienist discusses a client's current dental status with a non-dental or non-medical professional, the dental hygienist is committing a breach of - confidentiality The overall responsibility for a client's dental health is primarily the responsibility of the - client Two public health dental hygienists were asked to assess the periodontal needs of persons currently living in six homeless shelters. One study was performed to compare the periodontal status of the adult males to that of the adult females to determine any oral health differences. The total number of people living in all six shelters is 464, and after informed consent was obtained, it was decided to take a sampling of 150 persons for the study. Participant selection was performed by first placing each person who agreed to participate into a male or female category and then placing each person into one of three age groups: 18 to 30, 31 to 45, and 46 to
compare the periodontal status of the adult males to that of the adult females to determine any oral health differences. The total number of people living in all six shelters is 464, and after informed consent was obtained, it was decided to take a sampling of 150 persons for the study. Participant selection was performed by first placing each person who agreed to participate into a male or female category and then placing each person into one of three age groups: 18 to 30, 31 to 45, and 46 to
results showed a mean caries rate of 5.6 teeth per child. The dental hygienists also sent a questionnaire to the parents of these children. The parental response rate was 32 percent, and it was determined from the results that most children do not see a dentist regularly and have a high intake of sugar. To gain support of the teachers in all three schoo - School principal and parents/guardians Which one of the following bacterial cell outer structures regulates movement of materials in and out of the cell? - Plasma membrane During deep periodontal debridement, the dental hygienist realizes that the tip of the curet blade broke while removing tenacious subgingival calculus. What is the FIRST step the dental hygienist should take? - Examine the mucobuccal fold, floor of the mouth, and back of the tongue areas A group of community dental hygienists is planning a five-year preventive dental health program for three elementary schools due to a reported high incidence of dental caries. All three schools are part of a school district whose school board approved the program but is interested in keeping expenses to a minimum. Rather than offering a dental sealant program, it was decided to fluoridate the schools' water supply and initiate a school fluoride mouthrinse program. One of the first things the dental hygienists performed was a pre-index assessment of dental caries. The results showed a mean caries rate of 5.6 teeth per child. The dental hygienists also sent a questionnaire to the parents of these children. The parental response rate was 32 percent, and it was determined from the results that most children do not see a dentist regularly and have a high intake of sugar. Throughout the implementation stage, the dental hy - formative Two public health dental hygienists were asked to assess the periodontal needs of persons currently living in six homeless shelters. One study was performed to compare the periodontal status of the adult males to that of the adult females to determine any oral health differences. The total number of people living in all six shelters is 464, and after informed consent was obtained, it was decided to select a sampling of 150 persons for the study. Participant selection was performed by first placing each person who agreed to participate into a male or female category and then placing each person into one of three age groups: 18 to 30, 31 to 45, and 46 to
When a client undergoes proper nitrous oxide-oxygen analgesia (conscious sedation), which of the following symptoms occur? - Body warmth, tingling of hands and feet, audible distant sounds At a post-surgical visit from a periodontal client nine days after surgery, it is determined that the client has an elevated temperature and pulse. What condition is the client MOST likely experiencing? - Post-periodontal surgical infection A dental hygienist seeking to reduce the maximal amount of client exposure to radiation should use all of the following. Which one is MOST effective in reducing client exposure to radiation? - Fast films or digital radiography A group of community dental hygienists is planning a five-year preventive dental health program for three elementary schools due to a reported high incidence of dental caries. All three schools are part of a school district whose school board approved the program but is interested in keeping expenses to a minimum. Rather than offering a dental sealant program, it was decided to fluoridate the schools' water supply and initiate a school fluoride mouthrinse program. One of the first things the dental hygienists performed was a pre-index assessment of dental caries. The results showed a mean caries rate of 5.6 teeth per child. The dental hygienists also sent a questionnaire to the parents of these children. The parental response rate was 32 percent, and it was determined from the results that most children do not see a dentist regularly and have a high intake of sugar. Fluoride mouthrinses used weekly are more effectiv - The first statement is false, the second is true. If an exudate contains a large amount of pus, it is classified as - purulent Excessive vertical angulation during radiographic exposure results in which of the following? - Foreshortening Which of the following structures is responsible for energy production? - Mitochondria After initial periodontal therapy, all of the following factors are necessary in the determination of maintenance care visits EXCEPT one. Which one is the EXCEPTION? - Success of systemic antibiotics Tryptophan is best described by which of the following statements? - It is a precursor of the pineal hormone melatonin. Which of the following is the BEST adjunctive aid for bacterial plaque biofilm disruption on interproximal surfaces in areas with type III embrasure spaces? - Interdental brushes To reduce the risk of exposure from contaminated instruments, when should sharpening be performed? - With sterile instruments only
A client returns for a soft-tissue assessment following periodontal debridement. At this assessment, gingival bleeding and edema are present on the mesial and lingual surfaces of tooth #19. Which of the following represents the BEST first treatment? - Assess periodontal involvement Fluorosis occurs as a result of - chronic ingestion of fluorides from a variety of sources. The only hypoplastic defect in a client's dentition is located on the facial surface of a permanent maxillary central incisor. What is the MOST likely cause of this defect? - Physical injury of the primary maxillary central incisor Dental plaque develops in stages. Which of the following is the correct sequence of microbial plaque formation? - Acquired pellicle forms; bacteria adhere to the tooth surface; bacteria multiply and colonize Which of the following muscles pulls the lateral borders of the tongue downward? - Hyoglossus Detection of a hemorrhagic disorder includes laboratory testing of the prothrombin time (PT). The ability to form a fibrin clot in a client with normal value is how many seconds? - 11 to 15 The kilovoltage peak rule states that when the kVp is increased by 15, the exposure time should be decreased by one-half. When the kVp is decreased by 15, the exposure time should be tripled. - The first statement is true, the second is false. Which of the following cells carry, produce, and secrete antibodies? - Plasma Cells Two public health dental hygienists were asked to assess the periodontal needs of persons currently living in six homeless shelters. One study was performed to compare the periodontal status of the adult males to that of the adult females to determine any oral health differences. The total number of people living in all six shelters is 464, and after informed consent was obtained, it was decided to take a sampling of 150 persons for the study. Participant selection was performed by first placing each person who agreed to participate into a male or female category and then placing each person into one of three age groups: 18 to 30, 31 to 45, and 46 to
The American Dental Hygienists' Association (ADHA) has an established Code of Ethics designed to assist dental hygienist in achieving high levels of professional ethical consciousness, decision making, and practice. Although the Code of Ethics encourages moral professional judgment and conduct, its intent is to oversee ethical expectations of the hygienists by the public. - The first statement is true, the second is false. The cervical lymph nodes are palpated as the operator palpates along the - sternocleidomastoid muscle. Thiamine deficiency can cause all of the following EXCEPT one. Which one is the EXCEPTION? - Failure of bones to heal. What is the mechanism by which a drug is made available to its site of action in the body? - Distribution A radiolucency around the crown of an unerupted tooth is referred to as a - dentigerous cyst. A protocol for the control of dental caries includes the usage of - sugar-free chewing gum containing xylitol. Excretion of fluoride occurs MOST likely through which of the following organs? - Kidney All of the following are criteria for sealant material EXCEPT one. Which one is the EXCEPTION? - High viscosity material capable of covering narrow fissures Which of the following five tissues is the MOST susceptible to ionizing radiation? - Lymphatic Implants may be used to replace missing teeth or to provide support for a prosthetic denture. The components of a dental implant include an implant fixture, a transgingival abutment post, and a fixed or removable dental prosthesis. - Both statements are TRUE. Metals required as an essential element in human beings include all of the following EXCEPT one. Which one is the EXCEPTION? - Mercury During periodontal assessment, which of the following BEST describes the rationale for walking the probe along the entire gingival sulcus? - Depth of epithelial attachment varies What muscle controls the lateral excursion of the mandible? - Lateral pterygoid Two public health dental hygienists were asked to assess the periodontal needs of persons currently living in six homeless shelters. One study was performed to
A "Give Kids a Smile Day" was planned during February National Dental Health Month in the urban town of Bridgedale. Local dentists, dental hygienists, and dental hygiene students organized activities for preschool and K-6 age children. The planned activities included oral screenings, oral-hygiene instruction, oral prophylaxes, radiographs, and a toothbrush trade-in. Local politicians and a state representative were invited to attend, and newspaper coverage was expected. Two local dental health clinics and one school-based dental clinic were open from 9: AM to 4:00 PM for participation in this event. Based on the above scenario, the Give Kids a Smile Day was designed to promote and provide oral health care services because the need for dental care in Bridgedale is lower than the demand for dental care. - The statement is correct, but the reason is NOT. Local anesthesia is needed in the canine and anterior region for a client undergoing restorative treatment. Which of the following injections other than the anterior superior alveolar injection is needed for anesthesia in that area? - Nasopalatine Which of the following describes the function of filtration in a dental x-ray tubehead?
When a dentist sends a letter to clients stating that he or she is leaving the practice due to retirement and that another dentist has bought the practice, this letter of protection is to avoid an accusation of - abandonment The BEST reason to prescribe systemic antibiotics for treating periodontal disease is
supply and initiate a school fluoride mouthrinse program. One of the first things the dental hygienists performed was a pre-index assessment of dental caries. The results showed a mean caries rate of 5.6 teeth per child. The dental hygienists also sent a questionnaire to the parents of these children. The parental response rate was 32 percent, and it was determined from the results that most children do not see a dentist regularly and have a high intake of sugar. Who among the following should administer the fluo - Classroom teachers What is the purpose of the lead collimator on radiology equipment? - Restricts the size of the x-ray beam A client was administered a local anesthetic agent and suddenly experiences edema of the tongue, pharyngeal tissue, and larynx. Which of the following conditions is the client experiencing? - Anaphylactic reaction The sequence of treatment for the periodontal client includes five therapy phases. Which of the following therapies represents the correct sequence of these phases? - Assessment, nonsurgical, surgical, restorative, periodontal maintenance After ingestion of fluoride, fluorapatite replaces hydroxyapatite in enamel. This process increases the resistance of enamel to tooth decay because all of the following occur EXCEPT one. Which one is the EXCEPTION? - Enhancement of enzyme activity When a pulp test is administered, an acutely or chronically inflamed pulp responds by varying degrees between no response and full normal response. Factors that influence a client's response to a pulp test include attitude, age, gender, emotional security, the presence of composite restoration, fatigue, and medications.
supply and initiate a school fluoride mouthrinse program. One of the first things the dental hygienists performed was a pre-index assessment of dental caries. The results showed a mean caries rate of 5.6 teeth per child. The dental hygienists also sent a questionnaire to the parents of these children. The parental response rate was 32 percent, and it was determined from the results that most children do not see a dentist regularly and have a high intake of sugar. The main goal of this preventive dental health pro - to reduce the incidence and prevalence of dental disease. Initial response to bacterial invasion in periodontitis is carried out by what type of cells? - Leukocytes A "Give Kids a Smile Day" was planned during February National Dental Health Month in the urban town of Bridgedale. Local dentists, dental hygienists, and dental hygiene students organized activities for preschool and K-6 age children. The planned activities included oral screenings, oral-hygiene instruction, oral prophylaxes, radiographs, and a toothbrush trade-in. Local politicians and a state representative were invited to attend, and newspaper coverage was expected. Two local dental health clinics and one school-based dental clinic were open from 9: AM to 4:00 PM for participation in this event. To reinforce the skills necessary for toothbrushing, it is important to have the participants - practice toothbrushing on themselves with the hygienist. The upper lip develops from all of the following processes EXCEPT one. Which one is the EXCEPTION? - Lateral nasal The term overbite describes the - vertical overlapping of the anterior teeth. The junctional epithelium is BEST described as - tissue that the probe contacts at the base of the gingival sulcus. The most advantageous elastomeric materials available are the - vinyl polysiloxanes or addition silicones. Which of the following identifies the difference between subgingival and supragingival plaque biofilm? - Subgingival plaque biofilm has more anaerobes A small radiopaque hook-like projection of bone located posterior to the maxillary tuberosity region is referred to as the hamulus. The external oblique ridge is located superior to the maxillary posterior teeth and joins the maxilla with both the frontal and temporal bones. - The first statement is true, the second is false. Prior to periodontal surgery, it is important that all of the following client conditions be addressed EXCEPT one. Which one is the EXCEPTION? - Abstinence from alcoholic beverages
Which of the following premolars usually has facial and lingual roots? - Maxillary first The most crucial time for palatal development is how many weeks in utero? - 7 to 11 The adrenergic agent albuterol (Proventil, Ventolin) has which pharmacologic effect?
Two public health dental hygienists were asked to assess the periodontal needs of persons currently living in six homeless shelters. One study was performed to compare the periodontal status of the adult males to that of the adult females to determine any oral health differences. The total number of people living in all six shelters is 464, and after informed consent was obtained, it was decided to take a sampling of 150 persons for the study. Participant selection was performed by first placing each person who agreed to participate into a male or female category and then placing each person into one of three age groups: 18 to 30, 31 to 45, and 46 to