Thymosin is responsible for:
1. raising the blood sugar level
2. raising the blood calcium level
3. differentiation of T-lymphocytes
4. decrease in blood RBCs
In the mechanism of action of a protein hormone, one of the second messengers is
1. Cyclic AMP
2. Insulin
3. T3
4. Gastrin
Leydig cells produce a group of hormones called:
1. androgens
2. estrogens
3. aldosterone
4. gonadotropins
Corpus luteum secretes a hormone called:
1. prolactin
2. progesterone
3. aldosterone
4. testosterone
Cortisol is secreted from
1. pancreas
2. thyroid
3. adrenal
4. thymus
A hormone responsible for the normal sleep-wake cycle is:
1. epinephrine
2. gastrin
3. melatonin
4. insulin
Hormones are called chemical signals that stimulate specific target tissues. Which is the correct location of these receptors in of protein hormones?
1. Extra cellular matrix
2. Blood
3. Plasma membrane
4. Nucleus
Match the following columns.
Column I |
Column II |
A. Epinephrine B. Testosterone C. Glucagon D. Atrial natriuretic factor |
1. Stimulates in muscle growth 2. Decrease in blood pressure 3. Breakdown of in liver glycogen 4. Increases heart beat |
Codes
Options: | A | B | C | D |
1. | 4 | 2 | 3 | 1 |
2. | 4 | 1 | 3 | 2 |
3. | 1 | 2 | 3 | 4 |
4. | 1 | 4 | 2 | 3- |
Which of the following does not play any role in calcium balance in the human body?
1. Vitamin-D
2. Parathyroid hormone
3. Thyrocalcitonin
4. Thymosin
All the following tissues in mammals, except one, consists of a central ‘medullary’ region surrounded by a cortical region. Mark the wrong entry:
1. ovary
2. adrenal
3. liver
4. kidney