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NBDHE Review UPDATED ACTUAL Exam Questions and CORRECT Answers

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NBDHE Review UPDATED ACTUAL Exam Questions and CORRECT Answers What is a benefit of resin-based sealants? A.) Fluoride is released from material to inhibit decay B.) When placed correctly, retention is excellent C.) Bond strength is improved in a moist environment D.) No polymerization shr...

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  • January 30, 2025
  • 167
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NBDHE
  • NBDHE
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NBDHE Review UPDATED ACTUAL Exam
Questions and CORRECT Answers
What is a benefit of resin-based sealants?


A.) Fluoride is released from material to inhibit decay
B.) When placed correctly, retention is excellent
C.) Bond strength is improved in a moist environment

D.) No polymerization shrinkage occurs - CORRECT ANSWER - B.) When placed
correctly, retention is excellent


Which is the most common desensitizing agent found in over-the-counter dentifrices?


A.) Potassium
B.) Glutaraldehyde
C.) Hydrogen Peroxide

D.) Triclosan - CORRECT ANSWER -


Each of the following patients would benefit from prescription fluoride supplements except one.
Which is the exception?


A.) 16- year old male living in a community where the fluoride level in the water is 0.5 ppm
B.) 7-month old female who receives her total dietary intake from breast milk
C.) 5- year old male living in a community where the fluoride level in the water supply is 0.2
ppm
D.) 33- year old female in her second trimester of pregnancy who drinks unfluoridated water -
CORRECT ANSWER - D.) 33- year old female in her second trimester of pregnancy who
drinks unfluoridated water


Which of the following characteristics of body tissue determines its sensitivity to radiation?

,A.) Blood flow
B.) Mitotic rate
C.) Iron content
D.) Oxyhemoglobin concentration

E.) None of the choices - CORRECT ANSWER -


Which water- soluble vitamin prevents spina bifida?


A.) Folate
B.) Thiamin
C.) Niacin

D.) AScorbic acid - CORRECT ANSWER -


Which assess fremitus?


A.)Handles of two single-sided instruments
B.) Clinician's finger
C.) Occlusal indicator paper (mylar strip)

D.) Vertical bitewing radiographs - CORRECT ANSWER -


Which nerve listed is affected if a patient complains of being unable to experience touch, pain,
hot, cold, or pressure on the anterior two thirds of the tongue?


A.) Glossopharyngeal
B.) Chorda tympani
C.) Lingual

D.) Hypoglossal - CORRECT ANSWER -

,WHich schedule of controlled substance is indicated when a prescription states "no refills"?


A.) III
B.) II
C.) I

D.) IV - CORRECT ANSWER - B.) II


Each of the following is an appropriate protocol in managing necrotizing ulcerative gingivitis
(NUG) except one. Which one is the exception?


A.) Topical corticosteroid therapy
B.) Therapeutic 0.12% chlorhexidine rinse
C.) Debridement with ultrasonic instruments

D.) Improved oral hygiene care - CORRECT ANSWER -


Which of the following nerves or branches of a nerve contains pain fiber affected by disturbances
of the temporomandibular joint?


A.) Auriculotemporal
B.) Temporal branch of the facial nerve
C.) Chorda tympani

D.) Zygomaticotemporal - CORRECT ANSWER - A.) Auriculotemporal


Guanethidine is especially prone to produce which adverse effect?


A.) Lupus erythematosus
B.) Orthostatic hypotension
C.) Severe depression

, D.) Agranulocytosis - CORRECT ANSWER - B.) Orthostatic hypotension


A patient in her seventh month of pregnancy begins to feels nauseous during the dental
prophylaxis. Suddenly, the patient begins to seat and starts gasping for air. What is the patient
experiencing?


A.) Postprandial hypotension
B.) Supine hypotensive syndrome
C.) Neurally mediated hypotension

D.) Orthostatic hypotension - CORRECT ANSWER -


A mother brings her 1-year old into your office the day after his first birthday. She claims the
pediatrician said to have the first dental check-up by this time. From among these choices, which
primary teeth are you expecting to see when the child opens?


A.) Mandibular incisors only
B.) Maxillary incisors only
C.) All anterior teeth

D.) Mandibular and maxillary incisors - CORRECT ANSWER -


Which technique produces the most accurate alginate impression?


A.) Rock tray gently to release it from patient's mouth once material is set
B.) Allow impression to dry completely before pouring gypsum
C.) Reduce amount of water slightly to speed gelation

D.) Mix alginate powder with cool water - CORRECT ANSWER - D.) Mix alginate
powder with cool water


Which specific part of the respiratory system functions as a gas exchanger rather than an
airdistributor?

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