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: Metronidazole targets anaerobic organisms by damaging
A) Cell membranes
B) DNA structure
C) ATP synthase
D) Protein receptors
Q: Haloperidol is classified as a
A) Beta blocker
B) SSRI
C) Typical antipsychotic
D) Diuretic
Q: Beta-blockers lower blood pressure by reducing
A) Blood sugar
B) Kidney filtration
C) Heart rate
D) Bile secretion
Q: The function of naloxone in opioid overdose is to
A) Block histamine
B) Reverse opioid binding
C) Enhance opioid action
D) Stimulate GABA
Q: First-generation antihistamines often cause
A) Sedation
B) Diarrhea
C) Tachycardia
D) Hypertension