Mosby-s Review for NBDHE exam with complete solutions
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Course
NBDHE
Institution
NBDHE
1. A program for tobacco use cessation is an essential component of
the dental hygiene care plan for appropriate patients. The first step
for tobacco dependence intervention is to:
A advise users about using tobacco products.
B ask patients about their current tobacco use habits.
C suggest the...
Mosby's Review for NBDHE exam with
complete solutions
1. A program for tobacco use cessation is an essential component of
the dental hygiene care plan for appropriate patients. The first step
for tobacco dependence intervention is to:
A advise users about using tobacco products.
B ask patients about their current tobacco use habits.
C suggest the use of a nicotine replacement gum or lozenges.
D educate patients about the risks of tobacco use to themselves
and others. - ANSWER- B ask patients about their current tobacco use habits.
B>A>C>D
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.
B Both the statement and reason are correct and NOT related.
C The statement is correct, but the reason is NOT.
D The statement is NOT correct, but the reason is correct.
E NEITHER the statement NOR the reason is correct. - ANSWER- A Both the
statement and reason are correct and related.
12. Dental caries is a(n)
A hereditary disease.
B autoimmune disease.
C communicable disease.
D nontransmissible disease. - ANSWER- C communicable disease.
13. If a patient is taking phenytoin (Dilantin), it is usually an
indication that he or she is being treated for
A diabetes.
B epilepsy.
C tuberculosis.
D hypertension. - ANSWER- B epilepsy.
14. For a patient who is classified as being at moderate to extreme risk for caries,
all of the following are recommended risk-reduction and treatment strategies
EXCEPT one. Which one is the EXCEPTION?
A Topical and systemic fluoride use
B Chewing an antacid before bedtime
, C Using a 0.12% chlorhexidine gluconate rinse
D Substituting xylitol mints for sugared mints
E Brushing with a calcium phosphate paste daily - ANSWER- B Chewing an
antacid before bedtime
15. Hyposalivation may develop into all of these oral conditions
EXCEPT one. Which one is the EXCEPTION?
A Dysgeusia
B Dysphagia
C Xerostomia
D Rampant caries
E Periodontal disease - ANSWER- E Periodontal disease
16. Hand washing is recommended after removal of gloves because
A regloving is easier with damp hands.
B hand washing prevents allergic reactions with gloves.
C microorganisms can penetrate the glove after a certain amount of time.
D organisms on the hand multiply rapidly inside the warm,
moist environment of the glove. - ANSWER- D organisms on the hand multiply
rapidly inside the warm, moist environment of the glove.
17. Which percentage of ethanol or isopropanol should an alcohol-based hand
rub contain to be effective in removing transient microorganisms and reducing
resident flora?
A 10%-20%
B 20%-30%
C 40%-50%
D 50%-60%
E 60%-70% - ANSWER- E 60%-70%
18. Which type of modifications should be made when scheduling dental
appointments for a patient with significant manifestation of autism spectrum
disorder?
A Longer appointments in the morning
B Every 2 weeks until the patient is familiar with the staff
C Several short, frequent appointments with the same staff
members
D Frequent appointments with different members of the dental
team - ANSWER- C Several short, frequent appointments with the same staff
members
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