Pharmacology MCQs
Pharmacology MCQs test knowledge of drug actions, interactions, classifications, pharmacokinetics, pharmacodynamics, and toxicology. Ideal for MDCAT, USMLE, FCPS, and NTS preparation, these quizzes strengthen medical understanding and boost exam performance through targeted practice.
Q: Isoniazid acts against tuberculosis by inhibiting
A) Protein translation
B) Cell wall cross-linking
C) RNA polymerase
D) Mycolic acid synthesis
Q: Therapeutic use of warfarin is primarily aimed at preventing
A) Hypertension
B) Thromboembolism
C) Hyperglycemia
D) Asthma
Q: Furosemide induces diuresis by blocking
A) Na⁺-K⁺-2Cl⁻ symporter
B) Beta receptors
C) Sodium-potassium pump
D) Calcium channels
Q: Inhaled corticosteroids are first-line therapy in
A) Asthma
B) Diabetes
C) Anemia
D) Tuberculosis
Q: MAO inhibitors elevate mood by preventing
A) Acetylcholine synthesis
B) Dopamine uptake
C) GABA release
D) Monoamine degradation