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: Insulin lowers blood glucose by promoting
A) Protein breakdown
B) Hormone inhibition
C) Fat oxidation
D) Cellular uptake
Q: Morphine may cause respiratory depression by suppressing
A) Alveolar function
B) Cough reflex
C) Nasal airflow
D) Brainstem activity
Q: Antihistamines alleviate allergies by blocking
A) T cell activation
B) Cytokine production
C) Neutrophil migration
D) Histamine receptors
Q: Proton pump inhibitors reduce acid secretion by targeting
A) Beta-2 receptor
B) Sodium channel
C) COX-2 enzyme
D) H+/K+ ATPase
Q: Diuretics reduce blood pressure by increasing
A) Oxygen supply
B) Liver metabolism
C) Hemoglobin levels
D) Urine output