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Chemical Coordination And Integration

Question
CBSEENBI11002104

A pregnant female delivers a baby, who suffer from stunted growth, mental retardation low intelligence quotient and abnormal skin. This is the result of 

  • deficiency of iodine in diet

  • low secretion of growth hormone

  • cancer of the thyroid glad

  • over secretion of pars distalis

Solution

A.

deficiency of iodine in diet

Hypothyroidism during pregnancy causes defective development and maturation of the growing foetus leading to stunted growth. Low secretion of GH results in stunted growth. Low secretion of GH result in stunted growth resulting in pituitary dwarfism. Paras distalis or anterior pituitary producers Growth hormone. prolactin (PRL), thyroid stimulation hormone (TSH), Adrenocorticotrophic Hormone (ACTH), Luteinising Hormone (LH) and Follicle Stimulating Hormone (FSH).