Title: NCLEX Pharmacology Exam: 30
Practice Questions with Rationales
Keywords: NCLEX pharmacology, nursing
pharmacology, drug calculations, medication
administration, pharmacology practice
questions, nursing exam, drug side effects,
NCLEX prep
,Questions
1. A client is prescribed digoxin for heart failure. Which
finding indicates digoxin toxicity? A) Heart rate 72 bpm B)
Serum potassium 4.0 mEq/L C) Visual disturbances
(yellow halos) D) Blood pressure 120/80 mmHg
, Explanation: Visual disturbances such as yellow or green halos
are classic signs of digoxin toxicity. The nurse should assess for
other signs including nausea, vomiting, and bradycardia.
2. A nurse is preparing to administer heparin subcutaneously.
Which technique should the nurse use? A) Administer in
the deltoid muscle B) Administer with a 5/8-inch needle at
a 90-degree angle C) Massage the site after injection D)
Administer in the abdomen at a 15-degree angle
Explanation: Heparin should be administered subcutaneously in
the abdomen with a 5/8-inch needle at a 90-degree angle. The
site should not be massaged after injection.
3. A client is prescribed furosemide. Which food should the
nurse recommend to prevent hypokalemia? A) Bananas B)
Apples C) Bread D) Rice