327. A mother brings her 2-week-old infant to a clinic for a phenylketonuria rescreening blood test. The test indicates a serum phenylalanine level of 1 mg/dL (60.5 mcmol/L). The nurse reviews this result and makes which interpretation?
发布于 2021-02-21 01:18:52
【单选题】 A It is positive. B It is negative. C It is inconclusive. D It requires rescreening at age 6 weeks.