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
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
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 |
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
Which one of the following pairs is incorrectly matched?
1. Glucagon- Beta cells(source)
2. Somatostatin- Delta cells(source)
3. Corpus luteum- Relaxin(secretion)
4. Insulin- Diabetes mellitus(disease)
Injury to adrenal cortex is not likely to affect the secretion of which one of the following?
1. Aldosterone
2. Both androstenedione and dehydroepiandrosterone
3. Adrenalin
4. Cortisol