Focused Data Collection And Reporting Practice Test

A 52-year-old client with a new prescription for trimethoprim-sulfamethoxazole for a urinary tract infection has a history of sulfonamide allergy listed as 'rash as a child' and currently takes hydrochlorothiazide for hypertension. After the first dose, the client reports itching and the nurse observes swelling of the lips; vital signs are blood pressure 118/74 mm Hg, heart rate 102/min, respiratory rate 22/min, oxygen saturation 93% on room air. What symptom change should be documented and communicated?

A 66-year-old client with heart failure and hypertension takes furosemide and losartan daily. The client reports new muscle cramps and weakness; vital signs are blood pressure 128/76 mm Hg, heart rate 88/min, respiratory rate 18/min; labs today show potassium 2.9 mEq/L (normal 3.5–5.0), sodium 138 mEq/L (normal 135–145), creatinine 1.0 mg/dL (normal 0.6–1.3). Which lab result is most concerning and requires reporting?