Q. No.
Function of thyrocalcitonin:
1. To reduce the calcium level in blood
2. To increase the calcium level in blood
3. Oppose the action of thyroxine
4. Maturation of gonads
Chemically hormones are:
1. Proteins, steroids & biogenic amines
2. Proteins only
3. Steroids only
4. Biogenic amines only
MSH is secreted by:
1. Anteria lobe of the pituitary
2. Middle lobe of the pituitary
3. Posterior lobe of the pituitary
4. Endostyle
Adrenaline has a direct effect on:
1. S.A. Node
2. β-cells of Langerhans
3. Dorsal root of spinal cord
4. Epithelial cells of the stomach
Erythropoietin, hormone which stimulates R.B.C. formation, is produced by:
| 1. | The cells of bone marrow |
| 2. | Juxtaglomerular cells of the kidney |
| 3. | Alpha cells of the pancreas |
| 4. | The cells of the rostral adenohypophysis |
Select the correct matching of a hormone, its source and its function:
| Hormone | Source | Function | |
| 1. | Norepineph rine |
Adrenal medulla | Increases heartbeat, rate of respiration and alertness |
| 2. | Glucagon | Beta-cells of Islets of Langerhans |
Stimulates glycogenolysis |
| 3. | Prolactin | Posterior pituitary |
Regulates growth of mammary glands and milk formation in females |
| 4. | Vasopressin | Posterior pituitary |
Increases loss of water through urine |
A rise in a heartbeat, increase in the cardiac output, blood pressure and blood sugar occurs during an emergency, by the hormone
1. Aldosterone
2. Antidiuretic hormone
3. Epinephrine
4. Oxytocin
| (a) | Stimulates the process of bone resorption. |
| (b) | Decreases Ca2+ level in blood. |
| (c) | Reabsorption of Ca2+ by renal tubules. |
| (d) | Decreases the absorption of Ca2+ from digested food. |
| (e) | Increases metabolism of carbohydrates. |
Choose the most appropriate answer from the options given below:
1. (b) and (c) only
2. (a) and (c) only
3. (b), (d) and (e) only
4. (a) and (e) only
Normal sleep-wake cycle in a human body is maintained by the secretion of:
1. Thyroid gland
2. Thymus gland
3. Pineal gland
4. Pituitary gland
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