NBDHE REVIEW EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
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-ANSWERSB.) 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-ANSWERS
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-ANSWERSD.) 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-ANSWERS
Which water- soluble vitamin prevents spina bifida?
A.) Folate
B.) Thiamin
C.) Niacin
D.) AScorbic acid - CORRECT-ANSWERS
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-ANSWERS
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-ANSWERS
WHich schedule of controlled substance is indicated when a prescription states "no refills"?
A.) III
B.) II
C.) I
D.) IV - CORRECT-ANSWERSB.) 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-ANSWERS
, 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-ANSWERSA.) Auriculotemporal
Guanethidine is especially prone to produce which adverse effect?
A.) Lupus erythematosus
B.) Orthostatic hypotension
C.) Severe depression
D.) Agranulocytosis - CORRECT-ANSWERSB.) 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-ANSWERS
CORRECT QUESTIONS AND ANSWERS
2025
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-ANSWERSB.) 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-ANSWERS
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-ANSWERSD.) 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-ANSWERS
Which water- soluble vitamin prevents spina bifida?
A.) Folate
B.) Thiamin
C.) Niacin
D.) AScorbic acid - CORRECT-ANSWERS
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-ANSWERS
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-ANSWERS
WHich schedule of controlled substance is indicated when a prescription states "no refills"?
A.) III
B.) II
C.) I
D.) IV - CORRECT-ANSWERSB.) 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-ANSWERS
, 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-ANSWERSA.) Auriculotemporal
Guanethidine is especially prone to produce which adverse effect?
A.) Lupus erythematosus
B.) Orthostatic hypotension
C.) Severe depression
D.) Agranulocytosis - CORRECT-ANSWERSB.) 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-ANSWERS
