Q. No.In males, androgens like testosterone secreted by Leydig cells in testes do not:
1. regulate the development, maturation and functions of the male accessory sex organs
2. control the development and regulation of the secondary sexual characters
3. play a major stimulatory role in the process of spermatogenesis
4. produce catabolic effects on protein and carbohydrate metabolism
1. regulate the development, maturation and functions of the male accessory sex organs
2. control the development and regulation of the secondary sexual characters
3. play a major stimulatory role in the process of spermatogenesis
4. produce catabolic effects on protein and carbohydrate metabolism
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The functions of glucagon do not include:
1. Glycogenolysis
2. Gluconeogenesis
3. Increased cellular glucose uptake
4. Decreased cellular glucose utilization
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The functions regulated or influenced by thyroid glands in humans include all except:
| 1. | basal metabolic rate | 2. | erythropoeisis |
| 3. | water and electrolyte balance | 4. | sleep wakefulness cycle |
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Which of the following cannot be regarded as a main function of cortisol?
1. Increased blood sugar by gluconeogenesis
2. Lipolysis, proteolysis and decreased uptake of amino acids by body cells
3. Regulation of water and minerals in the body
4. Suppression of inflammation and immunity
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The actions of adrenaline will include all the following except:
1. Piloerection
2. Pupilary dilation
3. Glycogenesis
4. Positive ionotropic and chronotropic effect on heart
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Identify the correct statement regarding the pineal gland or the hormone secreted by it:
| 1. | The gland is situated on the ventral side of the forebrain |
| 2. | The hormone secreted by the gland is called as melanin |
| 3. | The hormone regulates the diurnal rhythm of our body |
| 4. | The hormone decreases immunity |
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Match each item in Column I [zones of adrenal cortex] with one in Column II [hormone produced] and select your answer from the codes given:
|
Column I |
|
Column II |
|
|
A. |
Zona glomerulosa |
a. |
Aldosterone |
|
B. |
Zona fasciculata |
b. |
Cortisol |
|
C. |
Zona reticularis |
c. |
Adrenal androgens |
Codes
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | b | c | a |
Identify the incorrectly matched pair:
|
1. |
MSH |
Regulation of pigmentation of skin |
|
2. |
Oxytocin |
Parturition and milk ejection |
|
3. |
ADH |
Increases water loss through urine |
|
4. |
Thymosins |
Adaptive [acquired] immunity |
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Diabetes insipidus, characterized by water loss and dehydration, is caused by:
| 1. | Hyposecretion of ADH | 2. | Hypersecretion of ADH |
| 3. | Hyposecretion of insulin | 4. | Hypersecretion of insulin |
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Which pair of hormones will both bind to membrane bound receptors located on its target cells?
1. Epinephrine and thyroxine
2. Calcitonin and glucagon
3. Estradiol and triiodothyronine
4. Adrenaline and aldosterone
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