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: Sulfonylureas help manage diabetes by stimulating
A) Fat metabolism
B) Protein synthesis
C) Insulin secretion
D) Glucagon release
Q: Nitroglycerin relieves chest pain through
A) Vasodilation
B) Muscle relaxation
C) Anticoagulation
D) Bronchodilation
Q: Fluoroquinolones exert antibacterial action by inhibiting
A) DNA gyrase
B) Cell wall synthesis
C) Peptidoglycan linkage
D) Ribosomal subunits
Q: SSRIs are commonly prescribed to treat
A) Hypertension
B) Asthma
C) Depression
D) Epilepsy
Q: Methotrexate interferes with cell division by inhibiting
A) Glucose absorption
B) Iron transport
C) Lipid synthesis
D) Folate metabolism
Q: Rifampin is a cornerstone in the treatment of
A) Tuberculosis
B) Anemia
C) Malaria
D) Hypertension
Q: Adverse effects of aminoglycosides often include
A) Hyperglycemia
B) Nephrotoxicity
C) Constipation
D) Bradycardia
Q: Lidocaine is widely used as a
A) Laxative
B) Local anesthetic
C) Diuretic
D) Antihistamine
Q: Acetaminophen overdose may cause severe damage to the
A) Heart
B) Liver
C) Pancreas
D) Lungs
Q: Clindamycin is known for its risk of causing
A) Renal stones
B) C. difficile colitis
C) Seizures
D) Skin rash