NCLEX Questions on Genitourinary System Related

Review NCLEX Questions on Genitourinary System related questions and content

The client has been vomiting and has had numerous episodes of diarrhea. Which laboratory test should the nurse monitor?

  • A. Serum calcium.
  • B. Serum phosphorus.
  • C. Serum potassium.
  • D. Serum sodium.
Correct Answer: C

Rationale: Vomiting and diarrhea cause significant potassium loss, leading to hypokalemia, which can cause arrhythmias. Calcium, phosphorus, and sodium are less critically affected in this scenario.