182) A 4-year-old child is assessed by the nurse. The child has fair skin, musty odor from the urine, stunted growth, and mental retardation. Based on this findings, the nurse should suspect which of the following metabolic disorders?

A. Branched-chain ketoaciduria
B. Celiac disease
C. Tay-Sach’s disease
D. Phenylketonuria

ANSWER