Which dietary alterations are necessary to help reduce the complications of phenylketonuria (PKU)?
A)Increased intake of phenylalanine; decreased intake of tyrosine
B)Increased intake of phenylalanine; increased intake of tyrosine
C)Decreased intake of phenylalanine; decreased intake of tyrosine
D)Decreased intake of phenylalanine; increased intake of tyrosine

Question

Quizplus · Accepted Answer

The phenylalanine hydroxylase (PAH) is responsible for converting the amino acid phenylalanine into tyrosine. The result of a deficiency of PAH is an excess of phenylalanine and a deficiency of tyrosine. To prevent complications, phenylalanine in the diet must be reduced and carefully controlled. Because very little tyrosine is made in the body as a result of PKU, more is needed in the diet.

Which Dietary Alterations Are Necessary to Help Reduce the Complications