Q. Expected laboratory finding in a patient with renal failure is………….

(a) BUN 35 mg/dl, potassium 4.0 mEq/L
(b) Blood pH 7.2 potassium 6.5 mEq/L
(c) BUN 15 mg/dl, increased serum calcium, creatinine 1.0 mg/dl
(d) BUN 45 mg/dl, potassium 3.5 mEq/L