Hypersecretion of Growth Hormone in adults does not cause further increase in height, because

Options

A. growth hormone becomes inactive in adults
B. epiphyseal plates close after adolescence
C. bones losse their sensitivity to growth hormone in adults
D. muscle fibres do not grow in size after birth

Answer

B

Explanation

Chronic hypersecretion of Growth Hormone (GH) leads to gigantism or acromegally depending on the age of the individual.
If its hypersecretion occurs before the ossification of epiphyseal plates, it cause exaggerated and prolonged growth in long bones. It results in gigantism.
In adults, hypersecretion of GH leads to accromegaly, No incrase in hight occurs because of the ossified epiphyseal plate