(2026/2027) – Registered Nurse
Pharmacology Competency Assessment |
80 Actual Exam Questions with Correct
Answers | Complete Test Bank
📘 RN PHARMACOLOGY PRACTICE TEST
BANK
(Relias-Style | Competency Level | With Answers & Rationales)
,
, 1. Which organ is primarily responsible for drug metabolism?
A. Kidneys
B. Lungs
C. Liver
D. Heart
✅ Answer: C — Liver
Rationale: Most drugs are metabolized by hepatic enzymes (CYP450).
2. Which route of medication administration bypasses first-pass
metabolism?
A. Oral
B. Rectal
C. Sublingual
D. Enteral
✅ Answer: C — Sublingual
3. A drug with a narrow therapeutic index requires:
A. Less frequent monitoring
B. High dosing
C. Close serum level monitoring
D. No adverse effects
✅ Answer: C
4. Which electrolyte imbalance is most associated with loop diuretics?
A. Hypernatremia
B. Hyperkalemia