Download NBDHE Test Bank Review Questions & Answers Latest 2025-2026 Graded A and more Exams Dental Anatomy in PDF only on Docsity!
NBDHE Test Bank Review Questions
AND Correct Answers Latest Edition
2025-2026 Graded A
"Above all do no harm" represents which ethical principle/core value? a. justice b. fidelity c. autonomy d. beneficence e. non-maleficence - ANSe. non-maleficence #3 on the diagram below is which anatomic landmark? a. palatal rugae b. incisive papilla c. palatal tori/torus d. medial palatine raphe - ANSd. medial palatine raphe A "reverse smile line" is seen on the image if the patient's a. chin is tipped up b. chin is tipped down c. teeth are positioned too far back on the bite-block d. teeth are positioned too far forward on the bite-block - ANSa. chin is tipped up A 34-year old client with Stage I periodontitis who smokes and has challenges with self-care is new to your practice. All of the following initial
or nonsurgical periodontal therapies are appropriate to recommend for this client EXCEPT one. Which one is the EXCEPTION? a. topical antimicrobial mouthrinse b. gingival curettage c. scaling and periodontal debridement d. selective stain removal - ANSb. gingival curettage A 58-year-old male requires extensive periodontal treatment. He has been on anticoagulant drug therapy and is taking warfarin (Coumadin). In order to avoid post-treatment hemorrhage, the dental hygienist should first: a. prescribe vitamin K b. ask him to discontinue taking the drug c. ask for a determination of his prothrombin time d. consult his physician about discontinuing medication - ANSd. consult his physician about discontinuing medication A clinician decides to use a hand instrument to remove a tenacious, moderate calculus deposit on the facial surface of tooth #31. The calculus deposit is located supragingivally on the crown of the tooth. Which of the following instruments would you choose? a. universal curet with a short lower shank length b. standard Gracey 13/14 curet c. rigid Gracey curet d. a posterior sickle scaler - ANSd. a posterior sickle scaler A deficiency in which of the following vitamins causes beri beri? a. vitamin A
b. drug allergy. c. toxic reaction. d. therapeutic effect. - ANSa. side effect. A drug with anticholinergic side effects might exhibit all of the following EXCEPT one. Which is the EXCEPTION? a. mydriasis b. salivation c. tachycardia d. constipation - ANSb. salivation A facultative anaerobe grows in the presence of a. oxygen b. no oxygen c. oxygen or no oxygen d. low concentrations of oxygen - ANSc. oxygen or no oxygen A high intake of which of the following vitamins interferes with synthesis of vitamin K, necessary for blood clotting? a. vitamin D b. vitamin E c. biotin d. folic acid - ANSb. vitamin E A medical history of a patient prescribed a calcium channel blocker may reveal which condition? a. cementoma
b. paget disease c. ulcerative colitis d. gingival enlargement - ANSd. gingival enlargement A negatively skewed distribution has a curve that is shifted to the left. The curve of a negatively skewed distribution results from more scores falling in the lower range. a. both statements are true b. both statements are false c. the first statement is true, the second false d. the first statement is false, the second true - ANSb. both statements are false A patient makes an appointment for their 6 month recall and an examination is performed as well as a prophylaxis. This represent what type of contract? a. express b. explicit c. implied d. implicit e. C & D - ANSe. C & D A patient presenting with an HIV positive status is refused treatment by a dental practice. This is a violation of which ethical principle? a. justice b. autonomy c. beneficence
a. allergic dermatitis b. tuberculosis diagnoses c. antibody-mediated reaction d. cell-mediated hypersensitivity reaction - ANSd. cell-mediated hypersensitivity reaction A positive skin reaction to PPD indicates: a. active tuberculosis b. need for antibiotics c. contagious tuberculosis d. exposure to the tuberculosis bacteria - ANSd. exposure to the tuberculosis bacteria A practice that accepts the insurance portion of a co-pay plan as 'payment in full' without notifying the insurance company is in violation of which ethical principles? a. justice b. fidelity c. veracity d. beneficence e. non-maleficence - ANSc. veracity A prolonged bleeding time can be expected from a patient with: a. Leukemia b. aspirin use c. thrombocytopenia d. von Willebrand's disease
e. all of the above - ANSe. all of the above A ranula is usually found on the: a. mucosa b. vestibule c. labial fold d. floor of the mouth - ANSd. floor of the mouth A reversible inflammatory reaction in the soft tissues surrounding a functioning implant is termed: a. failing implant b. peri-implantitis c. peri-implant health d. peri-implant mucositis - ANSd. peri-implant mucositis A right-handed clinician is working on the buccal aspect of tooth #2. (For a left-handed clinician, this area would be equivalent to the buccal aspect of tooth #15.) The clinician is using a Gracey 13/14 curet and retracting the client's cheek with a mouth mirror. The clinician's neck is bent excessively as she works. What correction should the clinician make for more ergonomic positioning? a. ask the client to turn her head slightly away from the clinician b. turn the mirror head so that the reflecting surface can be used to view the distal surface c. ask the client to turn toward the clinician and lower her chin down toward her chest (chin-down position)
A surgical procedure that reduces pocket depths by removing the soft tissue pocket wall in supragingival pockets is referred to as a: a. gingivectomy b. modified Widman flap c. guided tissue regeneration d. ostectomy - ANSa. gingivectomy A type I hypersensitivity reaction refers to what type of reaction? a. cytotoxic Reaction b. anaphylactic Reaction c. delayed Hypersensitivity d. immune Complex Reaction - ANSb. anaphylactic Reaction A virion is a: a. viral envelope b. complete virus c. cytoplasmic enclosure d. remnant of a virus used in diagnostic tests - ANSb. complete virus A well defined, scalloped, red area along the gingival margin is adjacent to a base-metal crown. Each of the following could have caused the redness EXCEPT one. Which one is the exception? a. nickle allergy b. galvanic reaction c. poor oral hygiene d. subgingival crown margin - ANSb. galvanic reaction
A white lesion that cannot be rubbed off and cannot be diagnosed on the basis of clinical characteristics alone is termed a. leukoplakia b. erythroplakia c. squamous cell carcinoma d. dentinogenesis imperfecta - ANSa. leukoplakia Access to subgingival calculus deposits on the proximal surfaces of the mandibular anterior teeth is difficult because of papillary enlargement of the gingival tissue. Which of the following statements provides the BEST advice for thorough subgingival calculus removal? a. use a curet with a small, thin working end, and approach the deposit from both facial and lingual aspects b. try to remove the deposit with an explorer using an assessment stroke C. use a calculus removal stroke subgingivally with an anterior sickle scaler d. use the ultrasonic with a universal insert applying heavy lateral pressure
- ANSa. use a curet with a small, thin working end, and approach the deposit from both facial and lingual aspects According to OSHA, which of the following should not be considered an example of regulated medical/dental waste? a. an extracted tooth b. a used latex examination glove c. a used anesthetic needle d. a used bur - ANSb. a used latex examination glove
b. sickle cell anemia c. pernicious anemia d. thombocytopenic purpura - ANSc. pernicious anemia Active listening involves which of the following? a. silence b. open-ended questions c. closed-ended questions d. none of the above - ANSa. silence After bacterial virulence is established and the periodontal lesion is initiated, which is the first inflammatory cell to respond? a. B lymphocytes b. plasma cells c. neutrophils d. macrophages - ANSc. neutrophils After giving a patient toothbrushing instructions, the patient hygiene performance index (PHP) assesses the extend of what? a. gingival bleeding b. plaque and debris c. gingival inflammation d. clinical attachment loss - ANSb. plaque and debris Agents such albuterol (Proventil. Ventolin) cause bronchodilation by binding to a. beta1 receptors
b. beta2 receptors c. alpha receptors d. nicotinic receptors - ANSb. beta2 receptors All are considered essential elements of informed consent except which? a. referral b. diagnosis c. treatment d. consequences - ANSa. referral All but which of the following contain taste buds? a. foliate b. filiform c. fungiform d. circumvallate e. foliate lingual - ANSb. filiform All conditions are associated with lingual varicosities except one. Which is the exception? a. red to purple enlarged vessels b. age-related condition c. may swell during eating d. may be associated with varicosities in the legs - ANSc. may swell during eating All impression materials set by gelation with the exception of reversible hydrocolloid. Reversible hydrocolloids set by polymerization.
e. superior alveolar - ANSe. superior alveolar All of the following are characteristics of autoimmune disorders EXCEPT one. Which condition is the EXCEPTION? a. early onset b. multifactorial c. antibody-mediated d. more common in females - ANSa. early onset All of the following are clinical characteristics of necrotizing ulcerative gingivitis EXCEPT: a. foul odor b. xerostomia c. metallic taste d. painful gingiva - ANSb. xerostomia All of the following are considered antiplaque agents except which? a. tricolsan b. essential oils c. strontium chloride d. cetylpyridinium Chloride e. all of above - ANSc. strontium chloride All of the following are effects of the sympathetic nervous system EXCEPT one. Which effect is the EXCEPTION? a. pupil dilatation b. increased salivation
c. increased heart rate d. increased respiration - ANSb. increased salivation All of the following are indicated for use with dental implant restorations except? a. water irrigation b. power toothbrush c. light gentle probing d. air polishing with glycine e. wire-centered interdental brush - ANSe. wire-centered interdental brush All of the following are involved in enforcing infection control in dentistry except: a. center for Disease Control and Prevention b. occupational Safety and Health Administration c. state licensing boards with infection control regulations d. all of the above are involved in enforcing infection control in dentistry - ANSa. center for Disease Control and Prevention All of the following are muscles of mastication except for which? a. masseter b. buccinator c. temporalis d. lateral pterygoid e. medial pterygoid - ANSb. buccinator
c. hyperkeratinization d. punched out papillae - ANSc hyperkeratinization All of the following conditions are associated with the Epstein-Barr virus EXCEPT: a. herpangina b. hairy leukoplakia c. infectious mononucleosis d. nasopharyngeal carcinoma - ANSa. herpangina All of the following conditions are considered benign and of unknown cause EXCEPT: a. hairy tongue b. fissured tongue c. migratory glossitis d. amelogenesis imperfecta - ANSd. amelogenesis imperfecta All of the following conditions can be determined by radiographic examination EXCEPT one. Which one is the EXCEPTION? a. extent and severity of bone loss b. height or crestal bone c. widening of the periodontal ligament space d. presence of periodontal pockets e. presence of calculus - ANSd. presence of periodontal pockets All of the following contributes to the development of oral candidiasis EXCEPT:
a. xerostomia b. herpangina c. HIV infection d. antibiotic therapy - ANSb. herpangina All of the following drugs are used to treat tuberculosis EXCEPT one. Which medication is the EXCEPTION? a. rifampin b. isoniazid c. prednisone d. ethambutol - ANSc. prednisone All of the following medications affect bleeding times EXCEPT one. Which drug is the EXCEPTION? a. aspirin b. ibuprofen c. coumadin d. acetaminophen - ANSd. acetaminophen All of the following medications has been associated with gingival hyperplasia EXCEPT: a. fosamax b. phenytoin c. nifedipine d. cyclosporine - ANSa. fosamax Allergies to pollen is an example of:
