Pharmacological and Parenteral TherapiesQuestion 486 of 2368
A client takes digoxin and furosemide. Which morning laboratory result should the nurse report to the provider before giving digoxin?
- Serum potassium 4.2 mEq/L
- Serum potassium 4.9 mEq/L
- Serum potassium 3.2 mEq/L
- Serum digoxin 1.2 ng/mL
Show answer
Correct answer: Serum potassium 3.2 mEq/L
Low potassium increases the effect of digoxin and can lead to toxicity. A value below 3.5 is reported at once.
Source: Nursing Pharmacology, 2nd edition (Open RN, Chippewa Valley Technical College, 2023), Cardiovascular & Renal Systems: Digoxin. Licensed under CC BY 4.0.
Practice the topic "Pharmacological and Parenteral Therapies"Questions last reviewed: 18 October 2026