Deck 22: Psychotherapeutic Drugs

Question 1

A man with schizophrenia experiences fewer extrapyramidal symptoms after his drug therapy was switched to aripiprazole.Which attribute of aripiprazole most likely contributes to this improvement?

A) partial agonist at dopamine receptors
B) partial agonist at serotonin receptors
C) full agonist at dopamine receptors
D) full agonist at serotonin receptors
E) antagonist at both serotonin and dopamine receptors

Answer 1

partial agonist at dopamine receptors

Question 2

A woman is placed on an antidepressant that increases neuronal release of norepinephrine.Which mechanism is responsible for this effect?

A) activation of α₂-adrenoceptors
B) blockade of α₂-adrenoceptors
C) activation of serotonin 5-HT₂ receptors
D) blockade of serotonin 5-HT₂ receptors
E) blockade of muscarinic acetylcholine receptors

Answer 2

blockade of α₂-adrenoceptors

Question 3

A woman is evaluated to determine the cause of infertility and is found to have elevated serum prolactin levels.Which drug is most likely responsible for this adverse effect?

A) fluoxetine
B) lithium
C) haloperidol
D) aripiprazole
E) bupropion

Answer 3

haloperidol

Question 4

The efficacy of atomoxetine in persons with attention-deficit/hyperactivity disorder is due to which mechanism?

A) inhibition of norepinephrine reuptake
B) stimulation of norepinephrine synthesis
C) blockade of adrenoceptors
D) activation of adrenoceptors
E) increased release of norepinephrine

Question 5

Which adverse effect is most often associated with lithium carbonate therapy?

A) tachycardia
B) hyperventilation
C) sexual dysfunction
D) increased urinary output
E) hypervolemic hyponatremia

Question 6

Several weeks after beginning drug therapy, a man experiences impotence,
Erectile dysfunction,
And impaired ejaculation.Which agent is most likely responsible for these adverse effects?

A) lithium
B) bupropion
C) sertraline
D) risperidone
E) desipramine