Question
Biology Question on chemical coordination and integration
A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligent quotient and abnormal skin. It is due to
A
Oversecretion of pars distalis
B
Deficiency of iodine in diet
C
Low secretion of growth hormone
D
Cancer of thyroid gland
Answer
Deficiency of iodine in diet
Explanation
Solution
Hypothyroidism during pregnancy causes defective development and maturation of the growing foetus leading to stunted growth. Low secretion of GH results in stunted growth resulting in pituitary dwarfism. Pars distalis or anterior pituitary Produces Growth Hormone prolactin (PRL), Thyroid stimulating hormone (TSH), Adrenocorticotrophic Hormone (ACTH), Lutenising Hormone (LH) and Follicle Stimulating Hormone (FSH).