单选题 A client who has a potassium level of 6 mEq/L should be treated with
A. antacids.
B. IV fluids.
C. fluid restriction.
D. sodium polystyrene sulfonate (Kayexalate).

【正确答案】 D

【答案解析】Sodium polystyrene sulfonate (Kayexalate) is a resin that pulls potassium into the bowel and is excreted with defecation. Antacids, IV fluids, and restriction of fluids won't reduce the potassium level.