On surgical removal of pituitary gland there is fall in levels of glycocorticoids and sexcorticoids. This is due to
Oxytocin is no longer available from pituitary
Atrophy of adrenal medulla
Atrophy of adrenal cortex
$LTH$ from pituitary is no longer available
Assertion : Our body secretes adrenaline in intense cold.
Reason : Adrenaline raises metabolic rate
When the normal heart of a man is injected with physiological concentration of adrenaline it shows
Select the correct option on the basis of following sentences : This gland's :
$(I)$ Hormones increase alterthess
$(II)$ Hormones increase the heart beat
$(III)$ Stimulate the breakdown of glycogen
$(IV)$ Stimulate the breakdown of lipids and proteins
A patient who excretes large quantity of sodium in urine has
Name the three main regions of adrenal cortex.