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Applied Pharmacology for the Dental Hygienist > T7 Ch 13 & 14 > Flashcards

T7 Ch 13 & 14 Flashcards

1
Q

A patient presents with an oral ulcer that begins at an interdental papillae. The condition most likely is:

a. Aphthous stomatitis
b. Pericoronitis
c. Herpetic gingivostomatitis
d. Acute necrotizing ulcerative gingivitis (ANUG)

A

d. Acute necrotizing ulcerative gingivitis (ANUG)

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2
Q

Antibiotics should be considered for the treatment of ANUG:

a. For all adult patients but not for children
b. Only if the patient is immunocompromised or if evidence of systemic involvement exists
c. For all patients
d. Only if the patient is running a fever

A

b. Only if the patient is immunocompromised or if evidence of systemic involvement exists

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3
Q

Which of the following may be used as a rinse for ANUG?

a. Essential oil
b. Chlorhexidine gluconate
c. Phenol
d. Fluoride

A

b. Chlorhexidine gluconate

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4
Q

Approximately __________% of the adult population has been exposed to herpes simplex virus (HSV).

a. 80 to 90
b. 50 to 60
c. 20 to 30
d. 10

A

a. 80 to 90

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5
Q

The following agents are useful in the treatment of oral herpes lesions except one. Which one is the exception?

a. Acyclovir
b. Diphenhydramine liquid
c. Corticosteroids
d. Viscous lidocaine

A

c. Corticosteroids

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6
Q

Alveolar osteitis, or dry socket, occurs in 2% to 3% of all tooth extractions, most commonly in the __________ region.

a. Mandibular incisor
b. Mandibular molar
c. Maxillary molar
d. Maxillary incisor

A

b. Mandibular molar

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7
Q

The following statements are true of alveolar osteitis except one. Which one is the exception?

a. Antibiotic prophylaxis is recommended.
b. Alveolar osteitis is attributed to loss or necrosis of the blood clot at the extraction site.
c. Diabetes is a predisposing factor.
d. Alveolar osteitis occurs in 2% to 3% of all extractions.
e. Cigarette smoking increases its likelihood.

A

a. Antibiotic prophylaxis is recommended.

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8
Q

Recurrent aphthous stomatitis (RAS) is a common oral lesion occurring in approximately __________% of the population

a. 20
b. 10
c. 40
d. 30

A

a. 20

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9
Q

The etiology of aphthous stomatitis involves an immunologic component in which a significant role is played by:

a. T lymphocytes
b. Monocytes
c. Plasma cells
d. B lymphocytes

A

a. T lymphocytes

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10
Q

The treatment of RAS may include any of the following except one. Which one is the exception?

a. Apthasol
b. Topical lauryl sulfate
c. Diphenhydramine
d. Corticosteroids

A

b. Topical lauryl sulfate

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11
Q

Which subtype of lichen planus is characterized by a white, lace-like pattern intersecting to form a reticular pattern?

a. Plaquelike
b. Idiopathic
c. Striated
d. Hypertrophic
e. Erosive

A

d. Hypertrophic

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12
Q

Glossopyrosis is another term for:

a. Pericoronitis
b. Geographic tongue
c. Vincent infection
d. Burning tongue
e. Bald tongue

A

d. Burning tongue

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13
Q

Pericoronitis most commonly applies to partially erupted:

a. Third molars
b. First molars
c. Premolars
d. Incisors

A

a. Third molars

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14
Q

Long-term exposure of the lip to __________ can cause irreversible tissue changes known as actinic cheilitis.

a. Cold wind
b. The sun
c. Alcohol
d. Smoking tobacco

A

b. The sun

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15
Q

Actinic lip changes, if keratotic, are best treated with:

a. Topical steroids
b. Sunscreen with a sun protection factor of 15 or greater
c. 5-Fluorouracil (5-FU)
d. Acyclovir
e. Diphenhydramine

A

c. 5-Fluorouracil (5-FU)

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16
Q

Treatment of xerostomia consists of all of the following actions except one. Which one is the exception?

a. Use fluoride trays and gels to counteract the formation of caries.
b. Prescribe artificial saliva.
c. Prescribe an anticholinergic agent to stimulate an increase in saliva.
d. Use water or sugarless gum instead of gums, hard candies, and beverages containing sugar.
e. Change the medication or reduce the dose.

A

c. Prescribe an anticholinergic agent to stimulate an increase in saliva.

17
Q

Which of the following agents is associated with gingival enlargement?

a. Angiotensin-receptor blocker
b. Cyclobenzaprine
c. Cyclosporine
d. Clindamycin
e. Chlorhexidine

A

c. Cyclosporine

18
Q

What percentage of children ages 12 to 17 years in the United States have experienced tooth decay?

a. 68%
b. 88%
c. 48%
d. 28%

A

a. 68%

19
Q

The dental hygienist should teach the patient that the best way to ensure healthy teeth and gingival tissues is to remove plaque mechanically by brushing at least twice daily and by __________ at least once a day.

a. Rinsing with mouthwash
b. Massaging the tissue
c. Flossing
d. Using a toothpick

A

c. Flossing

20
Q

Experts recommend that the average life of a toothbrush is __________ months.

a. 12
b. 24
c. 6
d. 3

A

d. 3

21
Q

Fluoride is thought to work by:

a. Reducing solubility of dental enamel
b. All of the answers are correct
c. Interacting with mineralized tissue, including bones and teeth
d. Acting on individual microorganisms in biofilm

A

b. All of the answers are correct

22
Q

Which of the following statements is true concerning fluoride toxicity?

a. Neither acute nor chronic toxicity can occur with fluoride use.
b. Acute but not chronic toxicity can occur with fluoride use.
c. Chronic but not acute toxicity can occur with fluoride use.
d. Both acute and chronic toxicity can occur with fluoride use.

A

d. Both acute and chronic toxicity can occur with fluoride use.

23
Q

Which of the following professionally applied preparations for in-office application has the highest fluoride concentration (ppm)?

a. APF 1.23%
b. Sodium varnish 5%
c. 0.4% SnF and 1.1% NaF in APF
d. Sodium 2%

A

b. Sodium varnish 5%

24
Q

Which of the following statements is true of professionally applied NaF varnish?

a. NaF varnish is available in Europe but is not currently available in the United States as a dentin-desensitizing agent and as a cavity liner.
b. NaF varnish is available as a 9% solution.
c. The U.S. Food and Drug Administration (FDA) has approved the varnish for its anticaries effect.
d. The use of fluoride varnish for caries prevention has been endorsed by the ADA.

A

d. The use of fluoride varnish for caries prevention has been endorsed by the ADA.

25
Q

Which of the following statements is true regarding use of dentifrices in the United States?

a. Children should use a pea-sized amount of toothpaste to minimize fluoride ingestion.
b. All products contain triclosan 0.3%, as well as fluoride, but these products do not carry ADA approval for claimed effects against gingivitis.
c. Studies have shown that children between the ages of 10 and 15 years who brush three times daily with a fluoride dentifrice showed no reduction in the decayed-missing-filled rate compared with those that only brush once a day.
d. Nearly 75% of all dentifrices or toothpastes available in the United States contain some form of fluoride, but the remaining 25% of these products do not.

A

a. Children should use a pea-sized amount of toothpaste to minimize fluoride ingestion.

26
Q

Which of the following statements is not true of Xylitol?

a. Xylitol has been found to reduce the levels of Streptococcus mutans in saliva and plaque.
b. Xylitol is a 6 carbon sugar
c. Xylitol has been found to inhibit the attachment of biofilm to teeth.
d. Xylitol can prevent the transmission of oral bacteria from mother to child.

A

b. Xylitol is a 6 carbon sugar

27
Q

In a recent clinical trial, an essential oil mouth rinse plus brushing and flossing was:

a. Not found to be effective in reducing interproximal bleeding
b. Found to be effective in reducing interproximal pocket depths
c. Found to produce similar results to chlorhexidine at the end of 3 months of therapy
d. Found to produce similar results to chlorhexidine at the end of 6 months of therapy

A

d. Found to produce similar results to chlorhexidine at the end of 6 months of therapy

28
Q

For dentinal hypersensitivity to develop, the dentin must become exposed through the loss of gingiva (recession) or enamel, and:

a. The tooth must be in hyperocclusion.
b. The dentin tubules must be open to the oral cavity and the pulp.
c. Erosion at the cervical must be present.
d. A carious exposure of the tooth pulp must be present.

A

b. The dentin tubules must be open to the oral cavity and the pulp.

29
Q

The vast majority of desensitizing toothpastes contain:

a. Adhesives and resins
b. NaF
c. 5% potassium nitrate
d. Oxalates

A

c. 5% potassium nitrate

Applied Pharmacology for the Dental Hygienist (14 decks)

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