Pharmacology MCQs
Pharmacology MCQs help learners understand the actions, interactions, uses, and side effects of various drugs. These questions cover pharmacokinetics, pharmacodynamics, drug classifications, and toxicology. Practicing them aids in mastering this crucial medical subject and performing well in exams such as MDCAT, USMLE, FCPS, and NTS.
Q: Mechanism of action of aspirin involves
A) Activation of beta-receptors
B) Blocking of dopamine receptors
C) Inhibition of phosphodiesterase
D) Inhibition of cyclooxygenase
Q: Beta-blockers reduce blood pressure mainly by
A) Increasing cardiac output
B) Reducing renin release
C) Stimulating beta-2 receptors
D) Blocking alpha-receptors
Q: Drug used as an antidote for heparin overdose
A) Protamine sulfate
B) Atropine
C) Vitamin K
D) Warfarin
Q: Treatment of anaphylactic shock includes
A) Furosemide
B) Diphenhydramine
C) Epinephrine
D) Salbutamol
Q: Enzyme inhibited by allopurinol
A) Monoamine oxidase
B) Xanthine oxidase
C) Alcohol dehydrogenase
D) Acetylcholinesterase
Q: Main neurotransmitter at neuromuscular junction
A) Noradrenaline
B) Acetylcholine
C) Dopamine
D) Serotonin
Q: First-line drug for absence seizures
A) Phenytoin
B) Carbamazepine
C) Ethosuximide
D) Diazepam
Q: Liver enzyme-inducing antiepileptic drug
A) Levetiracetam
B) Diazepam
C) Phenytoin
D) Valproate
Q: Drug used to reverse benzodiazepine overdose
A) Atropine
B) Naloxone
C) Physostigmine
D) Flumazenil
Q: Long-acting insulin preparation
A) Regular insulin
B) Insulin glargine
C) Insulin lispro
D) Insulin aspart