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: Effect of beta-blockers on the heart
A) Promote vasodilation
B) Enhance conduction
C) Increase heart rate
D) Decrease contractility
Q: First-line drug for anaphylaxis
A) Salbutamol
B) Epinephrine
C) Prednisone
D) Diphenhydramine
Q: Reversible cholinesterase inhibitor
A) Atropine
B) Succinylcholine
C) Pralidoxime
D) Neostigmine
Q: Metformin primarily acts by
A) Blocking glucagon receptors
B) Inhibiting gluconeogenesis
C) Stimulating insulin secretion
D) Promoting glycogenolysis
Q: Drug causing disulfiram-like reaction with alcohol
A) Azithromycin
B) Metronidazole
C) Ceftriaxone
D) Amoxicillin
Q: Preferred route for administering insulin
A) Intravenous
B) Oral
C) Subcutaneous
D) Intramuscular
Q: Side effect associated with chronic aspirin use
A) Gastric ulceration
B) Palpitations
C) Skin rash
D) Hypoglycemia
Q: Atypical antipsychotic with least extrapyramidal effects
A) Haloperidol
B) Fluphenazine
C) Clozapine
D) Chlorpromazine
Q: Laxative increasing fecal bulk
A) Magnesium hydroxide
B) Lactulose
C) Psyllium
D) Bisacodyl
Q: Antifungal targeting ergosterol synthesis
A) Griseofulvin
B) Amphotericin B
C) Fluconazole
D) Nystatin