ATI Pharmacology Exam QBank 2025–2026 | 160 Real NGN
Questions + A+ Rationales | Guaranteed Pass
Question 1
A nurse is caring for a client prescribed digoxin. Which finding requires
immediate intervention?
A. Pulse 82 bpm
B. Serum potassium 2.9 mEq/L
C. BP 138/80 mmHg
D. Digoxin level 0.8 ng/mL
✅ Correct Answer: B
Rationale: Hypokalemia (K+ < 3.5) increases the risk of digoxin
toxicity. Immediate correction is needed.
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Question 2
Which instruction is appropriate for a client prescribed nitroglycerin
sublingual tablets?
A. Swallow the tablet with water
B. Take on a full stomach
C. Place under the tongue until dissolved
D. Chew the tablet for quick absorption
✅ Correct Answer: C
Rationale: Sublingual nitroglycerin should dissolve under the tongue for
rapid relief of chest pain.
Question 3
A nurse prepares to administer furosemide. Which lab result must be
reviewed first?
A. Potassium
B. Hemoglobin
C. Calcium
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D. AST
✅ Correct Answer: A
Rationale: Furosemide causes K+ loss. Always assess electrolytes before
giving loop diuretics.
Question 4
A client on warfarin has an INR of 5.2. What is the nurse’s action?
A. Give next dose
B. Hold dose and notify provider
C. Administer vitamin D
D. Administer enoxaparin
✅ Correct Answer: B
Rationale: INR > 3 = risk of bleeding. Hold warfarin, notify provider.
Vitamin K may be ordered.
Question 5
Which side effect should the nurse monitor for in a client receiving
morphine IV?
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A. Hypertension
B. Respiratory depression
C. Polyuria
D. Tinnitus
✅ Correct Answer: B
Rationale: Major risk of opioids is respiratory depression — monitor RR
closely.
Question 6
A nurse teaches a client prescribed lisinopril. Which statement requires
correction?
A. "I will use salt substitutes with potassium."
B. "I should rise slowly to avoid dizziness."
C. "This medication helps lower my blood pressure."
D. "I'll take it at the same time each day."
✅ Correct Answer: A
Rationale: ACE inhibitors like lisinopril cause hyperkalemia — avoid
potassium-based salt substitutes.