A hormone responsible for the normal sleep-wake cycle is:

1. epinephrine

2. gastrin

3. melatonin

4. insulin

Subtopic:  Pineal Gland |
 97%
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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

Subtopic:  Mechanism of Hormone Action |
 71%
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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-

   

Subtopic:  Adrenal Medulla | Misc. Hormones | Gonadotropin & Gonadal Hormones | Pancreas: I |
 91%
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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

Subtopic:  Thyroid Gland Part I | Parathyroid | Thymus |
 83%
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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

Subtopic:  Gonadotropin & Gonadal Hormones |
 63%
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Which of the following conditions is not linked to deficiency of thyroid hormone?

1. Cretinism

2. Goitre

3. Myxoedema

4. Exophthalmia

Subtopic:  Thyroid Gland Part I |
 57%
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Cortisol is secreted from

1. pancreas

2. thyroid

3. adrenal

4. thymus

Subtopic:  Adrenal Cortex: Cortisol |
 91%
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Corpus luteum secretes a hormone called:

1. prolactin

2. progesterone

3. aldosterone

4. testosterone

Subtopic:  Gonadotropin & Gonadal Hormones |
 96%
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Leydig cells produce a group of hormones called:

1. androgens

2. estrogens

3. aldosterone

4. gonadotropins

Subtopic:  Gonadotropin & Gonadal Hormones |
 94%
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In the mechanism of action of a protein hormone, one of the second messengers is

1. Cyclic AMP

2. Insulin

3. T3

4. Gastrin

Subtopic:  Mechanism of Hormone Action |
 93%
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