3-β-Hydroxysteroid dehydrogenase and
∆5,4 isomerase catalyse the conversion of
the weak androgen DHEA to :

ADH :

In the biosynthesis of cortiols, the sequence of enzymes involved is :

Aldosterone release is stimulated by :

The most important effect of aldosterone is to :

The hormone required for uterine muscle
contraction for child birth is :

In the resting state plasma concentration of cortisol is :

The sequential steps in the conversion of
tyrosine to epinephrine are :

The defect in adrenal cortex responsible
for lack of glucocorticoids and mineralcorticoids is :

Catecholamine hormones are :

Vasopressin and oxytocin circulate unbound to proteins and have very short
plasma half lives, on the order of :

In the synthesis of Angiotensin I, rennin
acts on Angiotensinogen and cleaves the :

The number of amino acids in the hormone oxytocin is  :

One of the potent stimulators of aldosterone secretion is :

In the rennin-angiotensin system the
primary hormone is :

Melanogenesis is stimulated by :

For Catecholamine biosynthesis the rate
limiting enzyme is :

Epinephrine is rapidly metabolized by :

An increase in the osmolality of extracellular compartment will :

A hormone which cannot cross the blood brain barrier is :

The plasma level of epinephrine is less than :

The number of amino acids in antidiuretic hormone is :

Increased reabsorption of water from the
kidney is the major consequence of the
secretion of the hormone :

Catecholamine hormones are synthesized in the :

Pheochromocytomas are tumours of :