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: Tetracyclines must not be taken with dairy due to
A) Chelation with calcium
B) Increased absorption
C) Enzyme induction
D) Delayed excretion
Q: Carbamazepine is useful in treating
A) Hypertension
B) Tuberculosis
C) Ulcers
D) Partial seizures
Q: The analgesic effect of NSAIDs results from inhibition of
A) Acetylcholine activity
B) Prostaglandin synthesis
C) Dopamine pathways
D) GABA receptors
Q: Sildenafil improves erectile function by enhancing
A) Beta oxidation
B) Estrogen production
C) cGMP levels
D) Calcium influx
Q: The main adverse effect of chloramphenicol is
A) Aplastic anemia
B) Tinnitus
C) Gingival hyperplasia
D) Tachycardia
Q: Antacids neutralize stomach acid through
A) Receptor blockage
B) Hormone suppression
C) Chemical reaction
D) Enzyme inhibition
Q: Hydralazine lowers blood pressure by promoting
A) Diuresis
B) Vagal stimulation
C) Bronchoconstriction
D) Arterial vasodilation
Q: Dopamine agonists like bromocriptine are used to treat
A) Parkinson’s disease
B) Hyperthyroidism
C) Hypertension
D) Bacterial infections
Q: Vancomycin administration requires careful monitoring due to risk of
A) Hypoglycemia
B) Constipation
C) Nephrotoxicity
D) Hair loss
Q: Baclofen reduces spasticity by mimicking
A) Acetylcholine
B) GABA
C) Norepinephrine
D) Glutamate