NCLEX RN Test Bank with Rationales Related

Review NCLEX RN Test Bank with Rationales related questions and content

The nurse monitors the serum electrolyte levels of a client who is taking digoxin (Lanoxin). Which of the following electrolyte imbalances is a common cause of digoxin toxicity?

  • A. Hyponatremia.
  • B. Hypomagnesemia.
  • C. Hypocalcemia.
  • D. Hypokalemia.
Correct Answer: D

Rationale: Hypokalemia enhances digoxin's effect on the heart, increasing toxicity risk by altering cardiac membrane potential.