Multiple choice

Which form of retardation can be controlled by a special diet?

  1. microcephaly

  2. hydrocephaly

  3. PKU

  4. down syndrome
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Phenylketonuria (PKU) is a metabolic disorder that causes intellectual disability if left untreated, but it can be managed by strictly following a special diet low in phenylalanine.

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