The primary consequence of untreated phenylketonuria is
A) muscle atrophy.
B) kidney failure.
C) mental retardation.
D) skeletal problems.
E) None of the above

Question

Quizplus · Accepted Answer

Phenylketonuria (PKU) is a genetic disorder that affects the body's ability to break down the amino acid phenylalanine. Without treatment, the build-up of this amino acid can severely damage the central nervous system, leading to mental retardation and other neurological problems. While untreated PKU may also cause other physical symptoms, such as skin rashes and seizures, it is the risk of cognitive impairment that is considered the primary consequence of the condition.

The Primary Consequence of Untreated Phenylketonuria Is