Pharmacology MCQs- 267- Repeated USMLE Questions Step 1

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Q- Which of the following adverse effects of L-dopa is the most likely the reason to limit the use of it?

A- Depression

B- Dyskinesia

C- Nausea and occasional vomiting

D- Orthostatic hypotension

B- Dyskinesia- Other side effects are temporary and relieved in a short time 



Q- Which of the following is a contraindication of use of benzodiazepines in anxiety disorder?

A- Diabetes mellitus

B- Seizures

C- Sleep apnea

D- Smoking

C- Sleep apnea- It is dangerous to use in cases of sleep apnea but other conditions are not that risky. 



Q- Which of the following is the mechanism of action of metoclopramide?

A- α-Adrenoceptor antagonist

B- Dopamine D2-receptor antagonist

C- Nicotinic receptor antagonist

D- Selective serotonin reuptake inhibitor (SSRI)

B- Dopamine D2-receptor antagonist



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10 thoughts on “Pharmacology MCQs- 267- Repeated USMLE Questions Step 1”

  1. You are very welcome Dr. Sisay. I wish you the best in your medical career.

  2. thanks

  3. I really appreciate your comment dear dr. I will try to put all these questions in a book when I have time.

    Thank you so much for your advice.

  4. Compose your questions to a booklet let us have it. I have been following u for quite long time now and it’s really great we’ll articulated questions, keep the candle burning

  5. That would be great. Thank you

  6. Am now your student.

  7. Thank you

  8. Dr Ray i am too much interesting to vist your bage, because you are helping the people for your knowlege so i am said to you thanks a lot and God help you

  9. You are very welcome. I am glad you enjoy it. Thank you

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