What may be the cause of malfunctioning of thyroid gland ? (a) Iodine deficiency (b)Iron deficiency (c)Calcium deficiency (d)Vitamin C
Option A) Severe iodine deficiency causes hypothyroidism that results in impaired somatic growth and motor development in children. Mild and moderate iodine deficiencies cause multifocal autonomous growth of thyroid, which results in thyrotoxicosis.
A) Iodine deficiency.
