NBDHE REVIEW 667 QUESTIONS ACTUAL
TEST PAPER 2026 COMPLETE QUESTIONS
AND VERIFIED SOLUTIONS GRADED A+
⩥ 2. The normal respiration rate range, in breaths per minute, for an
adult is
A 8-10.
B 12-20.
C 22-27.
D 28-32.
Answer: B 12-20.
⩥ A blood pressure reading of 146/90 mm Hg would be classified as
A normal.
308
B prehypertension.
C hypertension, stage 1.
D hypertension, stage 2.
Answer: C hypertension, stage 1.
⩥ 4. The first course of action in the dental hygiene process of care is
,to
A recognize any deviations or abnormalities.
B identify the presence of plaque deposits.
C obtain medical and dental histories.
D classify the extent of periodontal disease.
Answer: C obtain medical and dental histories.
⩥ Which of the following is another name for hypoglycemia?
A Low blood sugar
B High blood sugar
C High cholesterol
D Low blood pressure
E Underactive thyroid
Answer: A Low blood sugar
⩥ 6. During an epileptic seizure, the patient should be placed in
which position in the dental chair?
A Upright
B Supine
C Trendelenburg
D Semi-upright
Answer: B Supine
,⩥ 7. Body core temperature exceeding 37.5 °C (99.1 °F) but less than
41.0 °C (105.8 °F) is termed
A pyrexia.
B anorexia.
C hypothermia.
D hyperthermia.
Answer: A pyrexia.
⩥ 8. All of these factors are associated with increased respiration,
pulse, and blood pressure EXCEPT one. Which one is the
EXCEPTION?
A Strong emotions
B Physical exertion
C Nitrous oxide inhalation
D Consumption of caffeine
E Decongestant medications
Answer: C Nitrous oxide inhalation
⩥ 9. Caries management by risk assessment (CAMBRA) is an
evidence-based approach to the prevention and management of caries,
which assesses levels of risk and serves as a guideline for interventions.
Current research indicates that the most important factor in dental caries
, prevention and treatment is to modify and correct the dental biofilm and
transform oral factors to favor dental health.
A Both statements are true.
B Both statements are false.
C The first statement is true, and the second statement is false.
D The first statement is false, and the second statement is true.
Answer: A Both statements are true.
⩥ 10. The highest pH level at which demineralization occurs in
enamel is between
A 2.5 and 3.5.
B 3.5 and 4.5.
C 4.5 and 5.5.
D 6.0 and 6.7.
E 7.0 and 7.2.
Answer: C 4.5 and 5.5.
⩥ 11. A caries management by risk assessment (CAMBRA) protocol
for enamel remineralization involves chewing of xylitol gum or
mints because xylitol reduces the levels of Streptococcus mutans and
promotes remineralization.
A Both the statement and reason are correct and related.
TEST PAPER 2026 COMPLETE QUESTIONS
AND VERIFIED SOLUTIONS GRADED A+
⩥ 2. The normal respiration rate range, in breaths per minute, for an
adult is
A 8-10.
B 12-20.
C 22-27.
D 28-32.
Answer: B 12-20.
⩥ A blood pressure reading of 146/90 mm Hg would be classified as
A normal.
308
B prehypertension.
C hypertension, stage 1.
D hypertension, stage 2.
Answer: C hypertension, stage 1.
⩥ 4. The first course of action in the dental hygiene process of care is
,to
A recognize any deviations or abnormalities.
B identify the presence of plaque deposits.
C obtain medical and dental histories.
D classify the extent of periodontal disease.
Answer: C obtain medical and dental histories.
⩥ Which of the following is another name for hypoglycemia?
A Low blood sugar
B High blood sugar
C High cholesterol
D Low blood pressure
E Underactive thyroid
Answer: A Low blood sugar
⩥ 6. During an epileptic seizure, the patient should be placed in
which position in the dental chair?
A Upright
B Supine
C Trendelenburg
D Semi-upright
Answer: B Supine
,⩥ 7. Body core temperature exceeding 37.5 °C (99.1 °F) but less than
41.0 °C (105.8 °F) is termed
A pyrexia.
B anorexia.
C hypothermia.
D hyperthermia.
Answer: A pyrexia.
⩥ 8. All of these factors are associated with increased respiration,
pulse, and blood pressure EXCEPT one. Which one is the
EXCEPTION?
A Strong emotions
B Physical exertion
C Nitrous oxide inhalation
D Consumption of caffeine
E Decongestant medications
Answer: C Nitrous oxide inhalation
⩥ 9. Caries management by risk assessment (CAMBRA) is an
evidence-based approach to the prevention and management of caries,
which assesses levels of risk and serves as a guideline for interventions.
Current research indicates that the most important factor in dental caries
, prevention and treatment is to modify and correct the dental biofilm and
transform oral factors to favor dental health.
A Both statements are true.
B Both statements are false.
C The first statement is true, and the second statement is false.
D The first statement is false, and the second statement is true.
Answer: A Both statements are true.
⩥ 10. The highest pH level at which demineralization occurs in
enamel is between
A 2.5 and 3.5.
B 3.5 and 4.5.
C 4.5 and 5.5.
D 6.0 and 6.7.
E 7.0 and 7.2.
Answer: C 4.5 and 5.5.
⩥ 11. A caries management by risk assessment (CAMBRA) protocol
for enamel remineralization involves chewing of xylitol gum or
mints because xylitol reduces the levels of Streptococcus mutans and
promotes remineralization.
A Both the statement and reason are correct and related.
