The most active form of vitamin D is:
1. 7-dehydrocholesterol
2. 25 hydroxycholecalciferol
3. 2 cholecalciferol
4. 1, 25 dihydroxycholecalciferol

All the following would be true for the mineralocorticoid, aldosterone, except:
1. secreted from the zona glomerulosa
2. decreases blood Na⁺ levels
3. stimulated by angiotensin II
4. raises blood volume

Cushing's syndrome is characterized by all the following except:
1. moon face and buffalo hump
2. under-secretion of ACTH
3. easy bruising
4. hyperglycemia

The type II diabetes is also called as the maturity onset diabetes and is characterized by normal levels of
1. insulin
2. glucose
3. blood lipids
4. ketone bodies in urine

Identify all the organelles that are involed in the production and secretion of protein hormones:

1. Rough endoplasmic reticulum and Golgi apparatus
2. Secretion granules and micorbodies
3. Smooth endoplasmic reticulum and Golgi apparatus
4. Rough endoplasmic reticulum, Golgi apparatus, and secretion granules

What would be the result of hypoadrenalism [Addison’s disease]?

A patient suspected of having hypothyroidism is investigated and has low blood levels of thyroxine and triiodothyronine. He is given thyrotropin that causes the hormone levels to return to normal. What would such a condition be called?

1. Primary hyposecretion
2. Secondary hyposecretion
3. Primary hypersecretion
4. Secondary hypersecretion

Tropin is a hormone that induces the secretion of other hormones. Identify the tropin produced by the anterior pituitary that does not cause the release of another hormone by stimulating another endocrine gland?

Identify the statement that correctly describes the catecholamine, Dopamine:

1. It cannot act as a hormone
2. It is a neuropeptide
3. Its structure has a sterol nucleus
4. It may act as a neurotransmitter or a hormone

Identify the incorrect statement regarding the main glucocorticoid cortisol in the human body:
1. Cortisol is important during fetal development for the proper differentiation of many tissues
2. Cortisol levels increase during stress and act to increase the plasma concentrations of glucose, amino acids, and fatty acids
3. Cortisol is a potent anti-inflammatory agent and is useful for treating diseases such as arthritis
4. Cortisol promotes the action of the immune system