Catecholamines and Their Mode of Action

Q.

A chemical signal that has both endocrine and neural roles is

1. cortisol

2. epinephrine

3. calcitonin

4. melatonin

Q.

Which hormone is responsible for vasoconstriction?

Q.

Intercellular communication in multicellular organism occurs through___________.

Q.

Which of the following is produced from the adrenal cortex?

1. Thyroxine

2. Aldosterone

3. Adrenaline

4. Insulin

Q.

Name the hormone responsible for the following functions.

Increased blood supply to muscles.

Q. Parasympathetic nervous system is responsible for

1. quick response.
2. flight/fight actions.
3. acceleration of heart-beat.
4. calming down the body.

Q. _____________ is an amino acid derivative hormone.

1. Insulin
2. Cotisol
3. Epinephrine
4. Thyroid hormone

Q. Raju once suffered a severe allergic reaction to a bee sting. The sting caused him to suffer a near-fatal drop in blood pressure called anaphylactic shock. Now he carries a kit containing a syringe of __________, which he can inject to speed up his heart if he reacts to a bee sting.

1. insulin
2. epinephrine
3. testosterone
4. melatonin

Q. Which hormone causes dilation of blood vessels, increased oxygen consumption an glucogenesis?

1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon

Q. Raju once suffered a severe allergic reaction to a bee sting. The sting caused him to suffer a near-fatal drop in blood pressure called anaphylactic shock. Now he carries a kit containing a syringe of __________, which he can inject to speed up his heart if he reacts to a bee sting.

1. melatonin
2. insulin
3. testosterone
4. epinephrine

Q. Adrenalin direct affect on:

1. SA node
2. $\beta$-cells of Langerhans
3. Dorsal root of spinal cord
4. Epithelial cells of stomach