T6 Ch 11

Question 1

Which of the following agents are the most commonly prescribed antianxiety drugs?

a. Nonbenzodiazepine-nonbarbiturate sedative-hypnotics
b. Nonbenzodiazepine-nonbarbiturate receptor agonists
c. Benzodiazepines
d. Barbiturates

Answer 1

c. Benzodiazepines

Question 2

Benzodiazepines enhance or facilitate the action of the neurotransmitter:

a. Acetylcholine
b. Epinephrine
c. gamma-aminobutyric acid (GABA)
d. Serotonin

Answer 2

c. gamma-aminobutyric acid (GABA)

Question 3

When benzodiazepines are used in dentistry to produce conscious sedation, the appearance of __________ is used as an initial endpoint for the dose administered.

a. Flushed skin
b. Miosis
c. Ptosis
d. Rapid eye movement

Answer 3

c. Ptosis

Question 4

Which of the following oral benzodiazepines seems to have the greatest likelihood to produce amnesia?

a. Diazepam (Valium)
b. Midazolam (Versed)
c. Triazolam (Halcion)
d. Eszopiclone (Lunesta)

Answer 4

c. Triazolam (Halcion)

Question 5

The therapeutic index of benzodiazepines is __________ that of the barbiturates.

a. Wider than
b. Narrower than
c. The same as
d. None of the answers are correct

Answer 5

a. Wider than

Question 6

__________ may be used to reverse some of the effects of a benzodiazepine.

a. Ramelteon (Rozerem)
b. Phenobarbital (Luminal)
c. Flumazenil (Romazicon)
d. Carisoprodol (Soma)

Answer 6

c. Flumazenil (Romazicon)

Question 7

Which of the following agents may decrease the effectiveness of benzodiazepines?

a. Tobacco
b. Omeprazole
c. Valproic acid
d. Fluoxetine

Answer 7

a. Tobacco

Question 8

Chronic use of barbiturates can lead to:

a. Both physical and psychologic dependence
b. Physical but not psychologic dependence
c. Psychologic but not physical dependence
d. Neither physical nor psychologic dependence

Answer 8

a. Both physical and psychologic dependence

Question 9

True OR False

Benzodiazepines are contraindicated in wide-angle glaucoma.

Answer 9

False

Question 10

Benzodiazepines

a. Increase the effect of GABA
b. Decrease the effect of GABA
c. Do not affect the CNS
d. Increase membrane permeability to potassium ions

Answer 10

a. Increase the effect of GABA

Question 11

Diazepam, used parenterally, has been shown to be effective for

a. drowsiness
b. epileptic seizures
c. glaucoma
d. gastrointestinal distress

Answer 11

b. epileptic seizures

Question 12

Which of the following might be a dental effect of the benzodiazepines?

a. swollen tongue
b. bitter or metallic taste
c. Xerostomia
d. increased salivation
e. All of the answers are correct

Answer 12

e. All of the answers are correct

Question 13

True OR False

Barbiturates have a higher safety profile than benzodiazepines.

Answer 13

False

Question 14

Thiopental is used intravenously for

a. treatment of epilepsy
b. removal of wisdom teeth
c. induction of general anesthesia

Answer 14

c. induction of general anesthesia

Question 15

True OR False

Midazolam (Versed) is a short acting GABA receptor inhibitor often used for conscious sedation.

Answer 15

Read chapter 11 for answer. This question was regraded, I answered True originally but it said false was correct. She regraded and I got it right.

Question 16

One of the 2 major subgroups of sedative-hypnotics is

Answer 16

barbiturates

benzodiazepines

Question 17

True OR False

Zolpidem (Ambien) and eszopiclone (Lunesta) are benzodiazepines used to treat insomnia.

Answer 17

Read chapter 11 for answer. This question was regraded and I had marked False and it was correct originally.