Q. No.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 of the following conditions will stimulate parathyroid gland to release parathyroid hormone?
1. Fall in active Vitamin D levels
2. Fall in blood Ca+2 levels
3. Fall in bone Ca+2 levels
4. Rise in blood Ca+2 levels
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 |
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 |
Match the following hormones with the respective disease:
| (a) | Insulin | (i) | Addison's disease |
| (b) | Thyroxin | (ii) | Diabetes insipidus |
| (c) | Corticoids | (iii) | Acromegaly |
| (d) | Growth Hormone | (iv) | Goitre |
| (v) | Diabetes mellitus |
Select the correct option.
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iv) | (i) | (iii) |
| 2. | (v) | (i) | (ii) | (iii) |
| 3. | (ii) | (iv) | (iii) | (i) |
| 4. | (v) | (iv) | (i) | (iii) |
How does steroid hormone influence the cellular activities?
| 1. | Using aquaporin channels as second messenger |
| 2. | Changing the permeability of the cell membrane |
| 3. | Binding the DNA and forming a gene-hormone complex |
| 4. | Activating cyclic AMP located on the cell membrane |
Which hormone causes dilation of blood vessels, increased oxygen consumption, and glucogenesis?
1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon
A steroid hormone which regulates glucose metabolism is:
1. cortisol
2. corticosterone
3. 11-deoxycorticosterone
4. cortisone
Feeling the tremors of an earthquake, a scared resident of the seventh floor of a multi-storey building starts climbing down the stairs rapidly. Which hormone initiated this act?
1. Thyroxine
2. Adrenaline
3. Glucagon
4. Gastrin
1. parathormone
2. thyroxine
3. calcitonin
4. Both 1 and 3
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