Which of the following is an accumulation and release centre of neurohormones?

1.	Posterior pituitary lobe
2.	Intermediate lobe of the pituitary
3.	Hypothalamus
4.	Anterior pituitary lobe

Which hormone causes dilation of blood vessels, increased oxygen consumption, and glucogenesis?

1. ACTH

2. Insulin

3. Adrenalin

4. Glucagon

Which one of the following is not a second messenger in hormone action?

1. cGMP

2. Calcium

3. Sodium

4. cAMP

A steroid hormone which regulates glucose metabolism is:

1. cortisol

2. corticosterone

3. 11-deoxycorticosterone

4. cortisone

Which one of the following does not act as a neurotransmitter?

1. Acetylcholine

2. Epinephrine

3. Nor epinephrine

4. Cortisone

Compared to a bull, a bullock is docile because of:

1. higher levels of thyroxin

2. higher levels of cortisone

3. lower levels of blood testosterone

4. lower levels of adrenalin/noradrenalin in its blood

A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly?

1. Parathyroid

2. Parotid

3. Pancreas

4. Thyroid

Feeling the tremors of an earthquake, a scared resident of the seventh floor of a multi-storey building starts climbing down the stairs rapidly. Which hormone initiated this act?

1. Thyroxine

2. Adrenaline

3. Glucagon

4. Gastrin

Which one of the following is an example of a negative feedback loop in humans?