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: Statins reduce cholesterol levels by inhibiting
A) Lipase activity
B) Bile production
C) Insulin release
D) HMG-CoA reductase
Q: Glucocorticoids suppress inflammation by reducing
A) Cytokine production
B) Heart rate
C) Platelet count
D) Iron absorption
Q: Phenytoin is mainly used for the management of
A) Seizures
B) Hypertension
C) Tuberculosis
D) Ulcers
Q: The antidote for organophosphate poisoning is
A) Naloxone
B) Heparin
C) Diazepam
D) Atropine
Q: Bisphosphonates help prevent
A) Hair loss
B) Bone resorption
C) Muscle fatigue
D) Blood clotting
Q: Vancomycin is reserved for serious infections caused by
A) Protozoa
B) Gram-negative bacteria
C) Gram-positive bacteria
D) Viruses
Q: A major side effect of thiazide diuretics includes
A) Hypokalemia
B) Hypercalcemia
C) Tachycardia
D) Hyperglycemia
Q: The therapeutic effect of digoxin is mainly due to increased
A) Cardiac contractility
B) Renal excretion
C) Liver metabolism
D) Blood viscosity
Q: Monoclonal antibodies are produced using
A) DNA fingerprinting
B) Hybridoma technology
C) Radiolabeling
D) Fermentation
Q: Levodopa helps Parkinson’s patients by increasing
A) Dopamine levels
B) Histamine receptors
C) Acetylcholine action
D) GABA synthesis