The following clinical laboratory data are within normal values for an adult. convert each value to mcg/ml. a. ammonia, 30 mcg/dl b. folate, 18 pg/ml c. serum creatinine, 1.0 mg/dl module 3: units of measurement 1 2 d. prostate specific antigen (psa), 3 ng/ml e. cholesterol, total, 150 mg/dl