Q- A 58-year-old man takes verapamil for hypertension and angina. Which of the following is a common adverse effect of high dose of this drug?
A- Constipation
B- Diarrhea
C- Hyperglycemia
D- Sexual dysfunction
A- Constipation- This is a common side effect of calcium channel blockers and could be dose limiting. Other side effects are hypotension, bradycardia and peripheral edema.
Q- Which of the following drugs improves skeletal muscle spasm by acting inside the muscle cell?
A- Botulinum toxin
B- Dantrolene
C- Diazepam
D- Tubocurarine
B- Dantrolene- It reduces calcium release from sarcoplasmic reticulum. A acts on cholinergic nerve endings. C acts on the brain and spinal cord while D acts on neuromuscular junction.
Q- Which one of the following drugs may cause parkinsonism-like adverse effect?
A- Clozapine
B- Haloperidol
C- Olanzapine
D- Quetiapine
B- Haloperidol- although it is a potent and effective antipsychotic, it also have a lot of side effects such as parkinsonism-like effects. Others are atypical antipsychotics with less side effects.
2 thoughts on “Pharmacology MCQs- 291”
Thank you. I am glad you like these questions. I hope they help you in your medical journey.
Thank you. I am glad you like these questions. I hope they help you in your medical journey.
Knowledge is power other wise good questions