Q. No.Neurohypophysis store and release hormones which are actually synthesised by the hypothalamus and are transported axonally here. Which of the following hormones belong to this category?
1. Glucocorticoid gonadotropins
2. FSH, LH
3. Oxytocin, Vasopressin
4. TSH, ACTH
1. Glucocorticoid gonadotropins
2. FSH, LH
3. Oxytocin, Vasopressin
4. TSH, ACTH
Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?
| 1. | Estrogen | 2. | Prolactin |
| 3. | Oxytocin | 4. | Relaxin |
Identify A, B and C in the diagrammatic representation of the mechanism of hormone action.
Select the correct option from the following:
| 1. | A = Steroid Hormone; B = Hormone receptor Complex; C = Protein |
| 2. | A = Protein Hormone; B = Receptor; C = Cyclic AMP |
| 3. | A = Steroid Hormone; B = Receptor; C = Second Messenger |
| 4. | A = Protein Hormone; B = Cyclic AMP; C = Hormone-receptor Complex |
Artificial light, extended work-time and reduced sleep-time disrupt the activity of:
1. Thymus gland
2. Pineal gland
3. Adrenal gland
4. Posterior pituitary gland
Which one of the following four glands is correctly matched with the accompanying description?
1. Thyroid - hyperactivity in young children causes cretinism
2. Thymus - starts undergoing atrophy after puberty
3. Parathyroid - secrete parathormone which promotes movement of calcium ions from blood into bones during calcification
4. Pancreas - Delta cells of the Islets of Langerhans secrete a hormone which stimulates glycolysis
Which one of the following statements is correct?
| 1. | Neurons regulate endocrine activity, but not vice versa. |
| 2. | Endocrine glands regulate neural activity, and nervous system regulates endocrine glands. |
| 3. | Neither hormones control neural activity nor do the neurons control endocrine activity. |
| 4. | Endocrine glands regulate neural activity, but not vice versa |
Which set includes hormones that are involved in carbohydrate metabolism?
1. Insulin, glucagon, epinephrine, calcitonin
2. Insulin, glucagon, epinephrine, cortisol
3. Insulin, glucagon, cortisol, melatonin
4. Insulin, glucagon, norepinephrine, melatonin
A peptide hormone which causes dilation of blood vessels and decreases blood pressure is
1. Aldosterone
2. Adrenaline
3. Vasopressin
4. Atrial Natriuretic factor
Which of the following is incorrect with respect to parathyroid hormone (PTH)?
1. Secretion of PTH is regulated by circulating levels of calcium ions.
2. PTH acts on bones and stimulates the process of bone mineralisation.
3. PTH stimulates the reabsorption of Ca+2 by renal tubules.
4. PTH increases the absorption of Ca+2 from digested food.
Which of the following set of hormones can easily pass through the cell membrane of a target cell and bind to specific intracellular receptors?
a. Placental progesterone
b. Aldosterone
c. Estrogen
d. Thyroxine
Mark the correct set:
1. b&c
2. a,b&c
3. a &c
4. a,b,c & d
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