Which of the following is a preventable cause of mental retardation -
Ans. is 'a' i.e., Hypothyroidism Adequate care for prevention of hypothyoid state can prevent mental retardation in hypothyroidism. Down's syndrome and cerebral palsy are congenital causes of mental retardation and prevention of mental retardation would be possible only by prvention of the syndrome itself.
Hypothyroidism
Down syndrome
Cerebral palsy
All of the above