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

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asked Nov 27, 2020 27.8k views

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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.