Tyra Has Phenylketonuria

Multiple Choice

Tyra has phenylketonuria. Which of the following statements would be most accurate?

A) Tyra must be on a restricted diet low in phenylalanine for the remainder of her life.
B) Phenylalanine in Tyra's diet helps to myelinate axons.
C) Tyra can introduce phenylalanine into her diet as an adult.
D) Phenylketonuria results from a missing protein.
E) She will need a complete blood transfusion.