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: Preferred route for insulin administration
A) Oral
B) Subcutaneous
C) Intravenous
D) Intramuscular
Q: Digoxin toxicity is commonly precipitated by
A) Hypernatremia
B) Hypokalemia
C) Hyponatremia
D) Hypercalcemia
Q: Warfarin acts by inhibiting synthesis of
A) Platelets
B) Thrombin
C) Fibrin
D) Vitamin K-dependent clotting factors
Q: Dopamine precursor used in Parkinson's disease
A) Serotonin
B) GABA
C) Levodopa
D) Acetylcholine
Q: Preferred inhalational anesthetic for rapid induction
A) Isoflurane
B) Sevoflurane
C) Desflurane
D) Halothane
Q: Most common side effect of opioids
A) Cough
B) Constipation
C) Diarrhea
D) Hypertension
Q: Selective serotonin reuptake inhibitor (SSRI) example
A) Phenelzine
B) Amitriptyline
C) Sertraline
D) Imipramine
Q: Mechanism of action of furosemide
A) Inhibits aldosterone
B) Inhibits carbonic anhydrase
C) Inhibits Na⁺-K⁺-2Cl⁻ transporter in loop of Henle
D) Inhibits Na⁺-Cl⁻ symporter in DCT
Q: Antibiotic causing tendon rupture
A) Ciprofloxacin
B) Azithromycin
C) Cephalexin
D) Amoxicillin
Q: Antidote used for paracetamol overdose
A) Pralidoxime
B) Atropine
C) Flumazenil
D) N-acetylcysteine