Question 1

Anxiety control is only necessary for the first third of a dental appointment.

Accepted Answer

A) True 
 B)False

Question 2

Some benzodiazepines are transformed in the body to active metabolites. The active metabolites are formed by phase II drug metabolism.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second statement is false. 
D)  The first statement is false; the second statement is true. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second statement is false. 
D)  The first statement is false; the second statement is true.

Question 3

Chronic use of barbiturates can lead to _____ dependence.

Accepted Answer

A)  both physical and psychologic 
B)  physical but not psychologic 
C)  psychologic but not physical 
D)  neither physical nor psychologic 
A)  both physical and psychologic 
B)  physical but not psychologic 
C)  psychologic but not physical 
D)  neither physical nor psychologic

Question 4

Antianxiety agents are most commonly orally administered because the effective dose of a particular antianxiety agent is very predictable.

Accepted Answer

A)  Both parts of the statement are true. 
B)  Both parts of the statement are false. 
C)  The first part of the statement is true; the second part is false. 
D)  The first part of the statement is false; the second part is true. 
A)  Both parts of the statement are true. 
B)  Both parts of the statement are false. 
C)  The first part of the statement is true; the second part is false. 
D)  The first part of the statement is false; the second part is true.

Question 5

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

Accepted Answer

A)  Nonbenzodiazepine-nonbarbiturate sedative-hypnotics 
B)  Nonbenzodiazepine-nonbarbiturate receptor agonists 
C)  Benzodiazepines 
D)  Barbiturates 
A)  Nonbenzodiazepine-nonbarbiturate sedative-hypnotics 
B)  Nonbenzodiazepine-nonbarbiturate receptor agonists 
C)  Benzodiazepines 
D)  Barbiturates

Question 6

Which of the following agents used for dental anxiety has a fast onset and short half-life?

Accepted Answer

A)  Triazolam 
B)  Diazepam 
C)  Lorazepam 
D)  Alprazolam 
A)  Triazolam 
B)  Diazepam 
C)  Lorazepam 
D)  Alprazolam

Question 7

Barbiturates reduce the effects of the following drugs except which one?

Accepted Answer

A)  Propoxyphene 
B)  Chlorpromazine 
C)  Warfarin 
D)  Phenytoin 
E)  Doxycycline 
A)  Propoxyphene 
B)  Chlorpromazine 
C)  Warfarin 
D)  Phenytoin 
E)  Doxycycline

Question 8

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

Accepted Answer

A)  Tobacco 
B)  Omeprazole 
C)  Valproic acid 
D)  Fluoxetine 
A)  Tobacco 
B)  Omeprazole 
C)  Valproic acid 
D)  Fluoxetine

Question 9

Benzodiazepines are indicated for epilepsy because they:

Accepted Answer

A)  reduce the electrical activity in the seizure focus. 
B)  limit the spread of abnormal activity to other parts of the brain. 
C)  produce analgesia so the patient does not feel any pain. 
D)  reduce hallucinations. 
A)  reduce the electrical activity in the seizure focus. 
B)  limit the spread of abnormal activity to other parts of the brain. 
C)  produce analgesia so the patient does not feel any pain. 
D)  reduce hallucinations.

Question 10

Which of the following sleep stages is enhanced with the use of benzodiazepines?

Accepted Answer

A)  Latency period 
B)  Rapid eye movement (REM)sleep 
C)  Non-rapid eye movement (NREM)sleep stages 3 and 4 
D)  Non-rapid eye movement (NREM)sleep stage 2 
A)  Latency period 
B)  Rapid eye movement (REM)sleep 
C)  Non-rapid eye movement (NREM)sleep stages 3 and 4 
D)  Non-rapid eye movement (NREM)sleep stage 2

Question 11

The clinical effects of benzodiazepines in humans are _____ at lower doses.

Accepted Answer

A)  drowsiness and sleep 
B)  drowsiness and anxiety reduction 
C)  anxiety reduction and panic reduction 
D)  anxiety reduction and sleep 
A)  drowsiness and sleep 
B)  drowsiness and anxiety reduction 
C)  anxiety reduction and panic reduction 
D)  anxiety reduction and sleep

Question 12

Barbiturates can cause fetal harm if administered to a pregnant woman.

Accepted Answer

A) True 
 B)False

Question 13

Benzodiazepines enhance or facilitate the action of the neurotransmitter:

Accepted Answer

A)  acetylcholine. 
B)  epinephrine. 
C)  γ-aminobutyric acid (GAB
A) . 
D)  serotonin 
A)  acetylcholine. 
B)  epinephrine. 
C)  γ-aminobutyric acid (GAB
A) . 
D)  serotonin

Question 14

Chloral hydrate is the most popular sedative-hypnotic for children in the United States.

Accepted Answer

A) True 
 B)False

Question 15

Use of antianxiety agents in the dentist's office should be discouraged because it encourages addiction.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following are rationales for the use of analgesic-sedative combinations? (Select all that apply.)

Accepted Answer

A)  Relief of both anxiety and pain is often required in one patient. 
B)  Sedatives interfere with analgesic agents. 
C)  Sedatives may induce excitation when given without an analgesic to patients with uncontrolled pain. 
D)  Anxiety can raise the pain threshold. 
A)  Relief of both anxiety and pain is often required in one patient. 
B)  Sedatives interfere with analgesic agents. 
C)  Sedatives may induce excitation when given without an analgesic to patients with uncontrolled pain. 
D)  Anxiety can raise the pain threshold.

Question 17

Barbiturates act on nerves by enhancing the binding of which neurotransmitter to its receptor?

Accepted Answer

A)  Glutamate 
B)  Serotonin 
C)  GABA 
D)  Chloride 
A)  Glutamate 
B)  Serotonin 
C)  GABA 
D)  Chloride

Question 18

Although a lethal dose of barbiturates can only be approximated, severe poisoning will follow the ingestion of _____ times the hypnotic dose.

Accepted Answer

A)  5 
B)  10 
C)  15 
D)  20 
A)  5 
B)  10 
C)  15 
D)  20

Question 19

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

Accepted Answer

A)  wider than 
B)  narrower than 
C)  the same as 
D)  None of the above are correct. 
A)  wider than 
B)  narrower than 
C)  the same as 
D)  None of the above are correct.

Question 20

The benzodiazepines are preferable to the barbiturates as hypnotics because the risk of physical addiction or serious poisoning is much less. The efficacy of the benzodiazepines in the treatment of chronic insomnia has been demonstrated for longer than 2 years.

Accepted Answer

A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second statement is false. 
D)  The first statement is false; the second statement is true. 
A)  Both statements are true. 
B)  Both statements are false. 
C)  The first statement is true; the second statement is false. 
D)  The first statement is false; the second statement is true.

Exam 11: Antianxiety Agents

Anxiety control is only necessary for the first third of a dental appointment.

Some benzodiazepines are transformed in the body to active metabolites. The active metabolites are formed by phase II drug metabolism.

Chronic use of barbiturates can lead to _____ dependence.

Antianxiety agents are most commonly orally administered because the effective dose of a particular antianxiety agent is very predictable.

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

Which of the following agents used for dental anxiety has a fast onset and short half-life?

Barbiturates reduce the effects of the following drugs except which one?

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

Benzodiazepines are indicated for epilepsy because they:

Which of the following sleep stages is enhanced with the use of benzodiazepines?

The clinical effects of benzodiazepines in humans are _____ at lower doses.

Barbiturates can cause fetal harm if administered to a pregnant woman.

Benzodiazepines enhance or facilitate the action of the neurotransmitter:

Chloral hydrate is the most popular sedative-hypnotic for children in the United States.

Use of antianxiety agents in the dentist's office should be discouraged because it encourages addiction.

Which of the following are rationales for the use of analgesic-sedative combinations? (Select all that apply.)

Barbiturates act on nerves by enhancing the binding of which neurotransmitter to its receptor?

Although a lethal dose of barbiturates can only be approximated, severe poisoning will follow the ingestion of _____ times the hypnotic dose.

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

The benzodiazepines are preferable to the barbiturates as hypnotics because the risk of physical addiction or serious poisoning is much less. The efficacy of the benzodiazepines in the treatment of chronic insomnia has been demonstrated for longer than 2 years.

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