and Answers | 2026 Update | 100%
Correct.
1. Which of the following is a beta-1 selective adrenergic blocker?
A) Propranolol
B) Metoprolol
C) Carvedilol
D) Labetalol
Answer: B) Metoprolol
Rationale: Metoprolol selectively blocks beta-1 receptors in the heart, reducing
heart rate and contractility, with less effect on beta-2 receptors in the lungs, unlike
propranolol which is non-selective.
2. A patient on furosemide is at risk for which electrolyte imbalance?
A) Hyperkalemia
B) Hypokalemia
C) Hypernatremia
D) Hypocalcemia
Answer: B) Hypokalemia
Rationale: Loop diuretics increase potassium excretion, potentially leading to
hypokalemia. Monitoring potassium levels and supplementation may be required.
3. The antidote for acetaminophen overdose is:
,A) Naloxone
B) Atropine
C) N-acetylcysteine (NAC)
D) Vitamin K
Answer: C) N-acetylcysteine (NAC)
Rationale: NAC replenishes glutathione, allowing detoxification of NAPQI, the
toxic metabolite of acetaminophen.
4. Which antibiotic is bactericidal by inhibiting cell wall synthesis?
A) Tetracycline
B) Vancomycin
C) Erythromycin
D) Clindamycin
Answer: B) Vancomycin
Rationale: Vancomycin inhibits peptidoglycan formation in bacterial cell walls,
leading to cell lysis and death.
5. A patient taking warfarin should avoid which of the following foods?
A) Bananas
B) Spinach
C) Apples
D) Chicken
Answer: B) Spinach
Rationale: Vitamin K-rich foods like spinach can decrease warfarin effectiveness
by promoting clotting factor synthesis, requiring dose adjustments.
6. Which of the following drugs is commonly associated with a “cough” as a
side effect?
, A) Losartan
B) Lisinopril
C) Metoprolol
D) Amlodipine
Answer: B) Lisinopril
Rationale: ACE inhibitors increase bradykinin levels, which can trigger a
persistent dry cough.
7. Which drug class is first-line therapy for type 2 diabetes?
A) Sulfonylureas
B) Metformin
C) Insulin
D) Thiazolidinediones
Answer: B) Metformin
Rationale: Metformin decreases hepatic glucose production and improves insulin
sensitivity without causing hypoglycemia as a first-line agent.
8. A patient on digoxin should monitor for which toxicity sign?
A) Diarrhea
B) Blurred vision or yellow halos
C) Weight gain
D) Cough
Answer: B) Blurred vision or yellow halos
Rationale: Digoxin toxicity often presents with visual disturbances, nausea, and
arrhythmias due to its narrow therapeutic index.
9. Which of the following is a proton pump inhibitor (PPI)?
A) Ranitidine
B) Omeprazole