Pharmacology MCQs- 267



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- Serotonin reuptake reuptake inhibitor (SSRI)

B- Dopamine D2-receptor antagonist



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