NBDHE review Exam Questions
and Answers 100% Pass
A dental hygienist receives a grant to develop a caries prevention program in a
nonfluoridated community with a recent population growth of families with young
children. The most beneficial community based program that could be
implemented would be to
a. develop and implement a sealant program targeted at specific age groups
b. implement a school based fluoride supplement program
c. hire a dentist and dental hygienist to staff a mobile dental clinic
d. develop a sealant and fluoride program based on community needs and available
dental personnel - ANSWER-d. develop a sealant and fluoride program based on
community needs and available dental personnel
Sensitivity, a characteristic of a diagnostic test, should determine if a high
proportion of individuals who are tested for a disease and found positive:
a. have utilized the appropriate diagnostic test to diagnose the absence of disease
b. will seek treatment once notified
c. will not subsequently develop the disease
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,d. will subsequently develop the disease - ANSWER-d. will subsequently develop
the disease
Xerostomia can be associated with all of the following except one. Which is the
exception?
a. consumption of acidic foods
b. mouthbreathing
c. antidepressants and anti-anxiety medication
d. antihypertensive medications - ANSWER-a. consumption of acidic foods
Which condition is characterized by large joint destruction and typically affects
younger men and older women?
a. Osteoporosis
b. rheumatoid arthritis
c. sickle cell disease
d. osteoarthritis - ANSWER-b. rheumatoid arthritis
An ammonia like breath is characteristic of which of the following conditions?
a. renal disease
b. liver disease
c. leukemia
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,d. diabetes - ANSWER-a. renal disease
Class III malocclusions are most commonly exhibited in the patient with:
a. down syndrome
b. epilepsy
c. cerebral palsy
d. cystic fibrosis - ANSWER-a. down syndrome
All of the following are signs of Lupus except one. The exception is?
a. joint deformities
b. photosensitivity
c. anemia
d. malar rash
e. arthralgias - ANSWER-c. anemia
What occurs when topical fluoride is applied to demineralized area?
a. there is no change in the strength of the tooth structure
b. tooth structures get weaker
c. the demineralized area turns yellow
d. the tooth structure gets stronger - ANSWER-d. the tooth structure gets stronger
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, What is the best method of fluoride application for caries prevention?
a. low concentration, high frequency
b. high concentration, high frequency
c. low concentration, low frequency
d. high concentration, low frequency - ANSWER-a. low concentration, high
frequency
What is the safely tolerated dose of a topical fluoride?
a. less than 5mg/kg
b. one fourth the certainly lethal dose
c. the amount of drug likely to cause death if not intercepted by antidotal therapy
d. less than 15mg/kg - ANSWER-b. one fourth the certainly lethal dose
Which is the following topical fluoride delivery systems is BEST fir an individual
with rampant caries?
a. toothbrushing
b. tray
c. painting
d. rinse - ANSWER-b. tray
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and Answers 100% Pass
A dental hygienist receives a grant to develop a caries prevention program in a
nonfluoridated community with a recent population growth of families with young
children. The most beneficial community based program that could be
implemented would be to
a. develop and implement a sealant program targeted at specific age groups
b. implement a school based fluoride supplement program
c. hire a dentist and dental hygienist to staff a mobile dental clinic
d. develop a sealant and fluoride program based on community needs and available
dental personnel - ANSWER-d. develop a sealant and fluoride program based on
community needs and available dental personnel
Sensitivity, a characteristic of a diagnostic test, should determine if a high
proportion of individuals who are tested for a disease and found positive:
a. have utilized the appropriate diagnostic test to diagnose the absence of disease
b. will seek treatment once notified
c. will not subsequently develop the disease
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 1
,d. will subsequently develop the disease - ANSWER-d. will subsequently develop
the disease
Xerostomia can be associated with all of the following except one. Which is the
exception?
a. consumption of acidic foods
b. mouthbreathing
c. antidepressants and anti-anxiety medication
d. antihypertensive medications - ANSWER-a. consumption of acidic foods
Which condition is characterized by large joint destruction and typically affects
younger men and older women?
a. Osteoporosis
b. rheumatoid arthritis
c. sickle cell disease
d. osteoarthritis - ANSWER-b. rheumatoid arthritis
An ammonia like breath is characteristic of which of the following conditions?
a. renal disease
b. liver disease
c. leukemia
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,d. diabetes - ANSWER-a. renal disease
Class III malocclusions are most commonly exhibited in the patient with:
a. down syndrome
b. epilepsy
c. cerebral palsy
d. cystic fibrosis - ANSWER-a. down syndrome
All of the following are signs of Lupus except one. The exception is?
a. joint deformities
b. photosensitivity
c. anemia
d. malar rash
e. arthralgias - ANSWER-c. anemia
What occurs when topical fluoride is applied to demineralized area?
a. there is no change in the strength of the tooth structure
b. tooth structures get weaker
c. the demineralized area turns yellow
d. the tooth structure gets stronger - ANSWER-d. the tooth structure gets stronger
COPYRIGHT 2025 ALL RIGHTS RESERVED, TRUSTED AND VERIFIED 3
, What is the best method of fluoride application for caries prevention?
a. low concentration, high frequency
b. high concentration, high frequency
c. low concentration, low frequency
d. high concentration, low frequency - ANSWER-a. low concentration, high
frequency
What is the safely tolerated dose of a topical fluoride?
a. less than 5mg/kg
b. one fourth the certainly lethal dose
c. the amount of drug likely to cause death if not intercepted by antidotal therapy
d. less than 15mg/kg - ANSWER-b. one fourth the certainly lethal dose
Which is the following topical fluoride delivery systems is BEST fir an individual
with rampant caries?
a. toothbrushing
b. tray
c. painting
d. rinse - ANSWER-b. tray
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