| 200 Questions With Correct Solutions |
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1. A patient is prescribed furosemide (Lasix) for heart failure. Which electrolyte
imbalance is the patient most at risk for?
A. Hyperkalemia
B. Hypokalemia
C. Hypernatremia
D. Hypocalcemia
Answer: B. Hypokalemia
Rationale: Furosemide is a loop diuretic that increases urinary potassium excretion. Monitor
potassium levels and encourage potassium-rich foods.
2. A patient is taking warfarin. Which lab test should the nurse monitor to assess
therapeutic effect?
A. aPTT
B. INR
C. CBC
D. Platelet count
Answer: B. INR
Rationale: Warfarin is monitored with INR; target range for most indications is 2–3. aPTT is
used for heparin.
3. A patient reports a dry cough after starting an ACE inhibitor. What is the nurse’s
priority action?
A. Advise to continue the medication
B. Notify the provider
C. Switch to a thiazide diuretic
D. Assess blood pressure
, Answer: B. Notify the provider
Rationale: Persistent cough is a common ACE inhibitor side effect. The provider may switch
the patient to an ARB if symptoms are severe.
4. Which of the following medications is most appropriate for rapid control of acute
asthma attack?
A. Salmeterol
B. Albuterol
C. Montelukast
D. Fluticasone
Answer: B. Albuterol
Rationale: Short-acting beta-2 agonists (SABA) like albuterol provide quick relief for acute
bronchospasm. Others are long-term controllers.
5. A patient is prescribed digoxin. Which sign indicates digoxin toxicity?
A. Bradycardia and visual halos
B. Hypertension and tremors
C. Tachycardia and diarrhea
D. Hypotension and rash
Answer: A. Bradycardia and visual halos
Rationale: Digoxin toxicity presents with bradycardia, nausea, vomiting, and visual
disturbances. Monitor digoxin and potassium levels.
6. A patient taking lithium should be counseled to avoid which of the following?
A. High-sodium diet
B. Low-sodium diet
C. Moderate water intake
D. High-protein diet
Answer: B. Low-sodium diet
Rationale: Low sodium can increase lithium levels and risk toxicity. Maintain consistent sodium
and fluid intake.
7. Which medication is contraindicated in pregnancy due to teratogenicity?