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
Contraction in gall is bladder is stimulated by:
1. CCK
2. PZ
3. Secretin
4. Enterogastrone
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. |
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