Which client is at greatest risk for developing hyponatremia?
A. 35-year-old client who is NPO and receiving D5W as the mainstay of intravenous therapy
B. 45-year-old client who is taking a sulfonamide antibiotic for a urinary tract infec-tion
C. 55-year-old client who is taking ibuprofen for a sprained ankle
D. 65-year-old client who is taking digoxin
A
D5W contains no sodium or any other electrolyte. With the client not taking any food or fluids by mouth, normal sodium excretion can lead to hyponatremia.
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