<prompt> What should be used for the treatment of this child with intellectual disability?BiotinHydroxocobalaminPyridoxineThyroxine  <response>: The given picture of the child with puffy myxedematous facies, protruding tongue, abdominal distension, umbilical hernia and intellectual disability suggest - congenital hypothyroidism. CF of congenital hypothyroidism: Bih weight length- usually normal Wide open anterior posterior fontanelle Prolonged physiological jaundice Myxedematous facies Large, protruded tongue Skin- dry scaly Hypotonia, hypothermia, hoarse cry Abdominal distension, umbilical hernia Constipation Thyroxine is used in the treatment of this disorder. 