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: Drug used to manage alcohol withdrawal seizures
A) Fluoxetine
B) Haloperidol
C) Diazepam
D) Phenytoin
Q: Preferred agent for treating hypertension in pregnancy
A) Propranolol
B) Lisinopril
C) Methyldopa
D) Ramipril
Q: Mechanism by which proton pump inhibitors reduce acidity
A) Inhibiting gastric ATPase
B) Blocking cholinergic receptors
C) Neutralizing acid
D) Blocking H2 receptors
Q: Rifampin changes urine color to
A) Yellow
B) Orange-red
C) Green
D) Blue
Q: Beta-2 agonists like salbutamol are used for
A) Bronchodilation
B) Diuresis
C) Analgesia
D) Sedation
Q: Drug causing gingival hyperplasia
A) Metoprolol
B) Ciprofloxacin
C) Nifedipine
D) Omeprazole
Q: Sulfonylureas stimulate insulin release from
A) Pancreatic beta cells
B) Liver
C) Muscle
D) Adipose tissue
Q: Drug of choice in malaria caused by P. vivax
A) Chloroquine
B) Quinine
C) Artemether
D) Doxycycline
Q: Mechanism of action of heparin
A) Inhibits platelet aggregation
B) Inhibits vitamin K
C) Blocks thrombin directly
D) Activates antithrombin III
Q: Antibiotic class targeting bacterial ribosomes
A) Penicillins
B) Quinolones
C) Aminoglycosides
D) Cephalosporins