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Mosby's National Board Dental Hygiene Exam Questions and Answers
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Mosby's National Board Dental Hygiene Exam Questions and Answers
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Mosby's National Board Dental HygieneExam Questions and Answers
"A desired end result, in terms of knowledge that the client is to achieve through specific
dental hygiene actions" describes what type of patient centered goal? - ANSWER-
Cognitive.
"Dental fear" is an unpleasant mental, emotional, or physiologic sensation caused by a
specific tooth related stimulus. "Dental fear" is a strong motivator for utilization of oral
health care. - ANSWER-The first is true, the second is false.
A 10 year old patient with seizure disorder may present with which of the following oral
health issues? - ANSWER-Delayed tooth eruption.
A 30- year old patient has come for a dental hygiene appointment. The patient marks
yes on the medical history for HIV infection. What should the dental hygienist do next? -
ANSWER-Obtain the patients most recent CD4+ lymphocyte counts and viral load
numbers.
A 63 year old male patient presents with cirrhosis of the liver. Which of the following
should be a consideration before periodontal surgical treatment begins? - ANSWER-
Administration of an amide local anesthetic.
A Beverly anxious patient may show all of the following signs and symptoms EXCEPT
one. Which one is the EXCEPTION? - ANSWER-Decreased heart rate
A blood pressure reading of 146/90 mm Hg would be classified as: - ANSWER-
hypertension, stage 1.
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 mutant and promotes remineralization. - ANSWER-Both are
correct and related.
A delta sensory nerve fibers are myelinated and responsible for well-localized, short
duration sensations. C-fibers are unmyelinated fibers characterized by poorly localized,
aching pain. - ANSWER-Both are true.
A dental hygiene treatment plan indicates two quads of nonsurgical periodontal therapy
(NSPT) with the use of local anesthesia. Which of the following is the MOST appropriate
plan of treatment for the first appointment? - ANSWER-Maxillary and mandibular right
quads.
,A dental hygienist administered additional anesthesia for a procedure that lasted longer
than expected, and the patient is beginning to experience discomfort in the area of
treatment. The dental hygienist administers additional anesthesia, but the patient is still
experiencing pain. Which of the following is the MOST likely explanation for the
anesthesia failure? - ANSWER-Tachyphylaxis.
A major advantage of locally delivered antimicrobial agents over systemically delivered
agents is the lowered dose of drug in blood plasma. This means that the active agent is
also present in a much lower dose at the site of infection. - ANSWER-The first is true,
second is false.
A patient does not want to undergo dental radiography because of a hypersensitive gag
reflex and expresses anxiety related to dental procedures. Which of the following is the
optimal way to suppress the gag reflex to obtain a periodical dental image? - ANSWER-
Nitrous oxide or oxygen sedation.
A patient indicates a history of myocardial infarction (MI) 2 years ago. What is the
implication of this with regard to periodontal therapy? - ANSWER-Excessive bleeding
can be expected during periodontal therapy.
A patient is experiencing an acute periodontal abscess. In this instnace, the patient
would be expected to present with all of the following signs and symptoms EXCEPT
one. Which is the EXCEPTION? - ANSWER-Absence of pain.
A patient presents with necrotizing ulcerative periodontitis (NUP) and complains of pain.
Each of the following procedures should take place on the first appointment EXCEPT
one. Which is the EXCEPTION? - ANSWER-completing restorative treatment.
A patient suddenly sits upright and then stands and is perspiring, wheezing, and
coughing. The respiratory rate is greater than 30 respirations per minute. The patient
complains of inability to breathe and exhibits nasal flaring. The likely cause of these
signs and symptoms is - ANSWER-an acute asthma attack.
A patient undergoing a solid organ transplantation may have oral and facial
complications associated with immunosuppressive drugs. A medical consultation is the
best way to ensure appropriate modifications are taken. - ANSWER-Both are true.
A patient who indicates a food allergy to avocados, chestnuts, and papayas may be at
risk for which type of sensitivity? - ANSWER-Latex.
A patient whose skin is hot and dry, has fruity smelling breath, and who is extremely
lethargic exhibits signs of: - ANSWER-hyperglycemia.
A patient with an unshielded cardiac pacemaker requires antibiotic premedication
before treatment. Ultrasonic scaling systems are safe in patients with an unshielded
cardiac pacemaker. - ANSWER-Both are false.
, A patient with orthodontic appliances should be instructed to use an interdental aid to
clean around the appliances. The patient should be instructed to use a chlorhexidine
rinse and a fluoride treatment together within 15 minutes. - ANSWER-The first is true,
the second is false.
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: - ANSWER-ask patients about their current tobacco use habits.
A score on a plaque index (PI) of a 1.0 to 1.9 means that the patient has which type of
oral hygiene? - ANSWER-Fair.
Acute inflammation is characterized by a large number of macrophages and plasma
cells. Chronic inflammation is characterized by an increased amount of
polumorphonuclear leukocytes (PMNs) - ANSWER-Both are false.
After receiving local anesthesia, a patient complains of nausea, abdominal cramps, a
feeling of substernal tightness, difficulty breathing, and chest pain and is wheezing. The
dental hygienist measures the patients BP and P. The BP has dropped from the initial
reading of 120/78 mm Hg to 100/60 mm Hg, and the pulse if thready and the rate has
increased from 70 to 120. Which of the following conditions do these signs and
symptoms MOST suggest? - ANSWER-Anaphylaxis.
After the active phase of periodontal treatment is completed, the patients needs are
assessed and timed intervals for which procedure are planned? - ANSWER-Periodontal
maintenance.
All fo the following may be included as part of the dental hygiene care plan EXCEPT
one. Which is the EXCEPTION? - ANSWER-Removal of caries.
All of the agents listed are used to treat local anesthetic allergic responses EXCEPT
one. Which one is the EXCEPTION? - ANSWER-Diazepam (Valium)
All of the following actions may be demonstrated by a moderately anxious patient
EXCEPT one. Which one is the EXCEPTION? - ANSWER-Unnatural long pause before
answering questions.
All of the following adjunctive antimicrobials contain an antibiotic EXCEPT one. Which is
the EXCEPTION? - ANSWER-PerioChip
All of the following are current over the counter nicotine replacement products EXCEPT
one. Which is the EXCEPTION? - ANSWER-spray.
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