Question

Which one of the following statements concerning a one-week-old male infant with undetected classic phenylketonuria is correct?

A) Tyrosine is a nonessential amino acid for the infant.B) High levels of phenylpyruvate appear in his urine.C) Therapy must begin within the first year of life.D) A diet devoid of phenylalanine should be initiated immediately.

Answer 1

Answer: B) High levels of phenylpyruvate appear in his urine

Step-by-step explanation: