A Child Has Phenylketonuria (PKU)

Multiple Choice

A child has phenylketonuria (PKU) . The healthcare professional educates the parents on the special diet needed, telling them that children with PKU are unable to synthesize what?

A) Essential amino acid, phenylalanine, to tyrosine
B) Renin, erythropoietin, and antidiuretic hormone
C) Aldosterone, cortisol, and androgens
D) Neurotransmitters gamma-aminobutyric acid (GABA) and acetylcholine