A nurse is reviewing the lab work of a client on a medical-surgical unit who has a new prescription for captopril.Which of the following laboratory values should the nurse identify as the priority to monitor?

Choice A rationaleAlanine aminotransferase (ALT) monitors liver function. While captopril is metabolized by the liver, it is not the most critical value to monitor. Elevated ALT may indicate liver damage, but it is not a primary concern with captopril.Choice B rationaleThyroid-stimulating hormone (TSH) is related to thyroid function. Captopril does not typically affect thyroid function, so monitoring TSH levels is not a priority. The focus is on electrolytes and kidney function with captopril.Choice C rationalePotassium monitoring is essential due to the risk of hyperkalemia with captopril. Captopril, an ACE inhibitor, can increase potassium levels by reducing aldosterone secretion. Normal potassium range is 3.5 to 5 mEq/L.Choice D rationaleMagnesium levels are important for various bodily functions, but captopril does not significantly affect magnesium. Monitoring potassium and renal function is more critical due to the potential for hyperkalemia with captopril. .