Title: Usmle Step 1 MCQ’s # 46
Subject: Behavioral Science
Q NO 46: A 28-year-old woman complains to her doctor that she is in danger of losing her job. She states that she is late to work almost eve day because, before she leaves for work, she must check all of the faucets to make sure the water is turned off. She also needs to repeatedly check to make sure that her stove is off. When she is finally ready to leave, she returns from her car several times to ensure that her doors and windows are locked. Which of the following drugs will her physician most likely prescribe?
A. Buspirone
B. Chlorpromazine
C. Clomipramine
D. Imipramine
E. Phenelzine
F. Zolpidem
Explanation:
The correct answer is C. This patient is suffering from obsessive-compulsive disorder. Clomipramine, a tricyclic antidepressant, and the selective serotonin reuptake inhibitors (SSRIs), such as fluoxetine, are effective in this disorder. None of the other answer choices listed constitute effective therapy for this disorder. Buspirone (choice A) is a non-benzodiazepine anxiolytic that does not have marked sedative or euphoric effects. Unlike the benzodiazepines, buspirone is devoid of hypnotic, anticonvulsant, and muscle relaxant properties. Chlorpromazine (choice B) is an antipsychotic (phenothiazine) drug. Imipramine (choice D) is a tricyclic antidepressant.
Phenelzine (choice E) is a monoamine oxidase inhibitor type of antidepressant. Zolpidem (choice F) is a non-benzodiazepine hypnotic agent.
Source: http://www.usmleworldwide.com/blog/?p=1167
Subject: Behavioral Science
Q NO 46: A 28-year-old woman complains to her doctor that she is in danger of losing her job. She states that she is late to work almost eve day because, before she leaves for work, she must check all of the faucets to make sure the water is turned off. She also needs to repeatedly check to make sure that her stove is off. When she is finally ready to leave, she returns from her car several times to ensure that her doors and windows are locked. Which of the following drugs will her physician most likely prescribe?
A. Buspirone
B. Chlorpromazine
C. Clomipramine
D. Imipramine
E. Phenelzine
F. Zolpidem
Explanation:
The correct answer is C. This patient is suffering from obsessive-compulsive disorder. Clomipramine, a tricyclic antidepressant, and the selective serotonin reuptake inhibitors (SSRIs), such as fluoxetine, are effective in this disorder. None of the other answer choices listed constitute effective therapy for this disorder. Buspirone (choice A) is a non-benzodiazepine anxiolytic that does not have marked sedative or euphoric effects. Unlike the benzodiazepines, buspirone is devoid of hypnotic, anticonvulsant, and muscle relaxant properties. Chlorpromazine (choice B) is an antipsychotic (phenothiazine) drug. Imipramine (choice D) is a tricyclic antidepressant.
Phenelzine (choice E) is a monoamine oxidase inhibitor type of antidepressant. Zolpidem (choice F) is a non-benzodiazepine hypnotic agent.
Source: http://www.usmleworldwide.com/blog/?p=1167
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