A client with small-cell lung cancer has sodium 120 mEq/L, low serum osmolality, and concentrated urine. What is the priority nursing intervention?

Question

Accepted Answer

B. Implement fluid restriction and monitor neurologic status — SIADH causes water retention and dilutional hyponatremia, increasing seizure risk. Fluid restriction and close neurologic monitoring are key initial interventions.

Answer

A. Encourage increased oral fluids

Answer

C. Administer IV hypotonic fluids

Answer

D. Give a loop diuretic without monitoring electrolytes