MOSBY'S NATIONAL BOARD DENTAL
HYGIENE EXAM QUESTIONS +
ANSWERS
A program for tobacco use cessation is an essential component of the dental hygiene
n n n n n n n n n n n n n
care plan for appropriate patients. The first step for tobacco dependence intervention is
n n n n n n n n n n n n n
to: - correct answer-ask patients about their current tobacco use habits.
n n nn n n n n n n n n
The normal respiration rate range, in breather per minute, for an adult is: - correct
n n n n n n n n n n n n n nn
answer-12-20.
n
A blood pressure reading of 146/90 mm Hg would be classified as: - correct answer-
n n n n n n n n n n n n nn n
hypertension, stage 1. n n
The first course of action in the dental hygiene process of care is to: - correct answer-
n n n n n n n n n n n n n n nn n
obtain medical and dental histories.
n n n n
Which of the following is another name for hypoglycemia? - correct answer-Low blood
n n n n n n n n n nn n n
sugar.
n
During an epileptic seizure, the patient should be placed in which position in the dental
n n n n n n n n n n n n n n
chair? - correct answer-Supine.
n n nn n
Body core temperature exceeding 37.5 C (99.1 F) but less than 41.0 C (105.8 F) is
n n n n n n n n n n n n n n n
termed - correct answer-pyrexia.
n n nn n
All of these factors are associated with increased respiration, pulse, and blood pressure
n n n n n n n n n n n n
EXCEPT one. Which is the EXCEPTION? - correct answer-Nitrous oxide inhalation.
n n n n n n n nn n n n
,Caries management by risk assessment (CAMBRA) is an evidence-based approach to
n n n n n n n n n n
the prevention and management of caries, which assesses levels of risk and serves as a
n n n n n n n n n n n n n n n
guideline for interventions. Current research indicates that the most important factor in
n n n n n n n n n n n n
dental caries prevention and treatment is to modify and correct the dental biofilm and
n n n n n n n n n n n n n n
transform oral factors to favor dental health. - correct answer-Both are true.
n n n n n n n n nn n n n
The highest pH level at which demineralization occurs in enamel is between - correct
n n n n n n n n n n n n nn
answer-4.5-5.5
n
A caries management by risk assessment (CAMBRA) protocol for enamel
n n n n n n n n n
remineralization involves chewing of xylitol gum or mints because xylitol reduces the
n n n n n n n n n n n n
levels of Streptococcus mutant and promotes remineralization. - correct answer-Both
n n n n n n n n nn n
are correct and related.
n n n n
Dental caries is a - correct answer-communicable disease.
n n n n nn n n
If a patient is taking phenytoin (Dilantin), it is usually an indication that he or she is being
n n n n n n n n n n n n n n n n n
treated for - correct answer-epilepsy.
n n n nn n
For a patient who is classified as being at moderate to extreme risk for caries, all of the
n n n n n n n n n n n n n n n n n
following are recommended risk-reduction and treatment strategies EXCEPT one.
n n n n n n n n n
Which is the EXCEPTION? - correct answer-Chewing an antacid before bedtime.
n n n n n nn n n n n n
Hyposalivation may develop into all of these oral conditions EXCEPT one. Which is the n n n n n n n n n n n n n
EXCEPTION? - correct answer-Periodontal disease.
n n nn n n
Hand washing is recommended after removal of gloves because - correct answer-
n n n n n n n n n nn n
organisms on the hand multiply rapidly inside the warm, moist environment of the glove. n n n n n n n n n n n n n
Which percentage of ethanol or isopropanol should an alcohol-based hand rub contain
n n n n n n n n n n n
to be effective in removing transient microorganisms and reducing resident flora? -
n n n n n n n n n n n n n
correct answer-60%-70%
n n
Which type of modifications should be made when scheduling dental appointments for a
n n n n n n n n n n n n
patient with significant manifestation of autism spectrum disorder? - correct answer-
n n n n n n n n n nn n
Several short, frequent appointments with the same staff members.
n n n n n n n n
Biologic monitoring tests evaluate the effectiveness of the sterilization cycle. These
n n n n n n n n n n
monitoring tests should be performed monthly to verify effective functioning of the
n n n n n n n n n n n n
sterilization equipment. - correct answer-First is true, second is false.
n n n nn n n n n n n
Which is the MOST effective test for a steam under pressure sterilization unit? - correct
n n n n n n n n n n n n n nn
answer-Biologic monitor.
n n
A patient who indicates a food allergy to avocados, chestnuts, and papayas may be at
n n n n n n n n n n n n n n
risk for which type of sensitivity? - correct answer-Latex.
n n n n n n n nn n
Which is the MOST commonly administered agent for a patient in a hypoglycemia
n n n n n n n n n n n n
emergency? - correct answer-Sugar
n n nn n
, Which pulse is palpated to check for circulation during administration of adult
n n n n n n n n n n n
cardiopulmonary resuscitation (CPR)? - correct answer-Carotid.
n n n n nn n
The vestibular mucosa exhibits superficial anesthesia from a topical anesthetic agent
n n n n n n n n n n
more rapidly than the hard palate because nonkeratinized tissues absorb the drug more
n n n n n n n n n n n n n
rapidly. - correct answer-Both are correct and related.
n n nn n n n n n
Which topical anesthetic would be MOST effective and offer the longest duration during
n n n n n n n n n n n n
scaling and root planing procedures? - correct answer-2.5% lidocaine and prilocaine
n n n n n n nn n n n n
gel.
n
An apparently healthy 35 year old female presents for her first restorative appointment in
n n n n n n n n n n n n n
7 years. After placing topical anesthetic, prior to the injection, the patient complains of a
n n n n n n n n n n n n n n n
racing heart rate and is breathing rapidly and perspiring. Which is the likely cause? -
n n n n n n n n n n n n n n n n
correct answer-Anxiety.
n n
A patient does not want to undergo dental radiography because of a hypersensitive gag
n n n n n n n n n n n n n
reflex and expresses anxiety related to dental procedures. Which of the following is the
n n n n n n n n n n n n n n
optimal way to suppress the gag reflex to obtain a periodical dental image? - correct
n n n n n n n n n n n n n n nn
answer-Nitrous oxide or oxygen sedation.
n n n n n
The most comprehensive infection control procedures used to ensure the safe delivery
n n n n n n n n n n n
of oral care are commonly referred to as - correct answer-standard precautions.
n n n n n n n n n nn n n
The CDC has identified four principles of infection control to protect all individuals. Which
n n n n n n n n n n n n n
of the following principles is the EXCEPTION? - correct answer-Dispose of all
n n n n n n n n nn n n n
instruments that come in contact with an infected person.
n n n n n n n n n
As identified by the CDC, which category falls under transmission-based precautions? -
n n n n n n n n n n n n
correct answer-Droplet precautions, airborne, and contact precautions.
n n n n n n n
Parents of infants with high caries risk should use a xylitol containing gum four to five
n n n n n n n n n n n n n n n
times daily. Use of xylitol gum by the patient will reduce the transfer of caries-causing
n n n n n n n n n n n n n n n
bacteria to the infant. - correct answer-Both are true.
n n n n n nn n n n
All of the following are symptoms of myocardial infarction EXCEPT one. Which is the
n n n n n n n n n n n n n
EXCEPTION? - correct answer-Headache.
n n nn n
If a patient is hyperventilating at the dental appointment, the provider should reassure the
n n n n n n n n n n n n n
patient and encourage him or her to take slow, deep breaths. Hundred percent oxygen
n n n n n n n n n n n n n n
should be quickly administered to a patient who is hyperventilating. - correct answer-
n n n n n n n n n n n nn n
First is true, second is false.
n n n n n
All of the following are symptoms of hypoglycemia EXCEPT one. Which is the
n n n n n n n n n n n n
EXCEPTION? - correct answer-Acetone breath.
n n nn n n
After the active phase of periodontal treatment is completed, the patients needs are
n n n n n n n n n n n n
assessed and timed intervals for which procedure are planned? - correct answer-
n n n n n n n n n n nn n
Periodontal maintenance. n
HYGIENE EXAM QUESTIONS +
ANSWERS
A program for tobacco use cessation is an essential component of the dental hygiene
n n n n n n n n n n n n n
care plan for appropriate patients. The first step for tobacco dependence intervention is
n n n n n n n n n n n n n
to: - correct answer-ask patients about their current tobacco use habits.
n n nn n n n n n n n n
The normal respiration rate range, in breather per minute, for an adult is: - correct
n n n n n n n n n n n n n nn
answer-12-20.
n
A blood pressure reading of 146/90 mm Hg would be classified as: - correct answer-
n n n n n n n n n n n n nn n
hypertension, stage 1. n n
The first course of action in the dental hygiene process of care is to: - correct answer-
n n n n n n n n n n n n n n nn n
obtain medical and dental histories.
n n n n
Which of the following is another name for hypoglycemia? - correct answer-Low blood
n n n n n n n n n nn n n
sugar.
n
During an epileptic seizure, the patient should be placed in which position in the dental
n n n n n n n n n n n n n n
chair? - correct answer-Supine.
n n nn n
Body core temperature exceeding 37.5 C (99.1 F) but less than 41.0 C (105.8 F) is
n n n n n n n n n n n n n n n
termed - correct answer-pyrexia.
n n nn n
All of these factors are associated with increased respiration, pulse, and blood pressure
n n n n n n n n n n n n
EXCEPT one. Which is the EXCEPTION? - correct answer-Nitrous oxide inhalation.
n n n n n n n nn n n n
,Caries management by risk assessment (CAMBRA) is an evidence-based approach to
n n n n n n n n n n
the prevention and management of caries, which assesses levels of risk and serves as a
n n n n n n n n n n n n n n n
guideline for interventions. Current research indicates that the most important factor in
n n n n n n n n n n n n
dental caries prevention and treatment is to modify and correct the dental biofilm and
n n n n n n n n n n n n n n
transform oral factors to favor dental health. - correct answer-Both are true.
n n n n n n n n nn n n n
The highest pH level at which demineralization occurs in enamel is between - correct
n n n n n n n n n n n n nn
answer-4.5-5.5
n
A caries management by risk assessment (CAMBRA) protocol for enamel
n n n n n n n n n
remineralization involves chewing of xylitol gum or mints because xylitol reduces the
n n n n n n n n n n n n
levels of Streptococcus mutant and promotes remineralization. - correct answer-Both
n n n n n n n n nn n
are correct and related.
n n n n
Dental caries is a - correct answer-communicable disease.
n n n n nn n n
If a patient is taking phenytoin (Dilantin), it is usually an indication that he or she is being
n n n n n n n n n n n n n n n n n
treated for - correct answer-epilepsy.
n n n nn n
For a patient who is classified as being at moderate to extreme risk for caries, all of the
n n n n n n n n n n n n n n n n n
following are recommended risk-reduction and treatment strategies EXCEPT one.
n n n n n n n n n
Which is the EXCEPTION? - correct answer-Chewing an antacid before bedtime.
n n n n n nn n n n n n
Hyposalivation may develop into all of these oral conditions EXCEPT one. Which is the n n n n n n n n n n n n n
EXCEPTION? - correct answer-Periodontal disease.
n n nn n n
Hand washing is recommended after removal of gloves because - correct answer-
n n n n n n n n n nn n
organisms on the hand multiply rapidly inside the warm, moist environment of the glove. n n n n n n n n n n n n n
Which percentage of ethanol or isopropanol should an alcohol-based hand rub contain
n n n n n n n n n n n
to be effective in removing transient microorganisms and reducing resident flora? -
n n n n n n n n n n n n n
correct answer-60%-70%
n n
Which type of modifications should be made when scheduling dental appointments for a
n n n n n n n n n n n n
patient with significant manifestation of autism spectrum disorder? - correct answer-
n n n n n n n n n nn n
Several short, frequent appointments with the same staff members.
n n n n n n n n
Biologic monitoring tests evaluate the effectiveness of the sterilization cycle. These
n n n n n n n n n n
monitoring tests should be performed monthly to verify effective functioning of the
n n n n n n n n n n n n
sterilization equipment. - correct answer-First is true, second is false.
n n n nn n n n n n n
Which is the MOST effective test for a steam under pressure sterilization unit? - correct
n n n n n n n n n n n n n nn
answer-Biologic monitor.
n n
A patient who indicates a food allergy to avocados, chestnuts, and papayas may be at
n n n n n n n n n n n n n n
risk for which type of sensitivity? - correct answer-Latex.
n n n n n n n nn n
Which is the MOST commonly administered agent for a patient in a hypoglycemia
n n n n n n n n n n n n
emergency? - correct answer-Sugar
n n nn n
, Which pulse is palpated to check for circulation during administration of adult
n n n n n n n n n n n
cardiopulmonary resuscitation (CPR)? - correct answer-Carotid.
n n n n nn n
The vestibular mucosa exhibits superficial anesthesia from a topical anesthetic agent
n n n n n n n n n n
more rapidly than the hard palate because nonkeratinized tissues absorb the drug more
n n n n n n n n n n n n n
rapidly. - correct answer-Both are correct and related.
n n nn n n n n n
Which topical anesthetic would be MOST effective and offer the longest duration during
n n n n n n n n n n n n
scaling and root planing procedures? - correct answer-2.5% lidocaine and prilocaine
n n n n n n nn n n n n
gel.
n
An apparently healthy 35 year old female presents for her first restorative appointment in
n n n n n n n n n n n n n
7 years. After placing topical anesthetic, prior to the injection, the patient complains of a
n n n n n n n n n n n n n n n
racing heart rate and is breathing rapidly and perspiring. Which is the likely cause? -
n n n n n n n n n n n n n n n n
correct answer-Anxiety.
n n
A patient does not want to undergo dental radiography because of a hypersensitive gag
n n n n n n n n n n n n n
reflex and expresses anxiety related to dental procedures. Which of the following is the
n n n n n n n n n n n n n n
optimal way to suppress the gag reflex to obtain a periodical dental image? - correct
n n n n n n n n n n n n n n nn
answer-Nitrous oxide or oxygen sedation.
n n n n n
The most comprehensive infection control procedures used to ensure the safe delivery
n n n n n n n n n n n
of oral care are commonly referred to as - correct answer-standard precautions.
n n n n n n n n n nn n n
The CDC has identified four principles of infection control to protect all individuals. Which
n n n n n n n n n n n n n
of the following principles is the EXCEPTION? - correct answer-Dispose of all
n n n n n n n n nn n n n
instruments that come in contact with an infected person.
n n n n n n n n n
As identified by the CDC, which category falls under transmission-based precautions? -
n n n n n n n n n n n n
correct answer-Droplet precautions, airborne, and contact precautions.
n n n n n n n
Parents of infants with high caries risk should use a xylitol containing gum four to five
n n n n n n n n n n n n n n n
times daily. Use of xylitol gum by the patient will reduce the transfer of caries-causing
n n n n n n n n n n n n n n n
bacteria to the infant. - correct answer-Both are true.
n n n n n nn n n n
All of the following are symptoms of myocardial infarction EXCEPT one. Which is the
n n n n n n n n n n n n n
EXCEPTION? - correct answer-Headache.
n n nn n
If a patient is hyperventilating at the dental appointment, the provider should reassure the
n n n n n n n n n n n n n
patient and encourage him or her to take slow, deep breaths. Hundred percent oxygen
n n n n n n n n n n n n n n
should be quickly administered to a patient who is hyperventilating. - correct answer-
n n n n n n n n n n n nn n
First is true, second is false.
n n n n n
All of the following are symptoms of hypoglycemia EXCEPT one. Which is the
n n n n n n n n n n n n
EXCEPTION? - correct answer-Acetone breath.
n n nn n n
After the active phase of periodontal treatment is completed, the patients needs are
n n n n n n n n n n n n
assessed and timed intervals for which procedure are planned? - correct answer-
n n n n n n n n n n nn n
Periodontal maintenance. n
