- 1(current)
Q. No.A chemical signal that has both endocrine and neural roles is:
2. calcitonin
3. epinephrine
4. cortisol
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFight - or - flight reaction cause activation of:
| 1. | the parathyroid glands, leading to increased metabolic rate. |
| 2. | the kidney, leading to suppression of the rennin angiotensin-aldosterone pathway. |
| 3. | the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine |
| 4. | the pancreas leading to a reduction in blood sugar levels. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologya. is released by sympathetic fibers
b. is released by parasympathetic fibers
c. increases the heart rate
d. decreases blood pressure
Which of the above said statements are correct?
1. a and c
2. b and c
3. b and d
4. a and d
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyInjury 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Parathyroid and adrenal
2. Pancreas and parathyroid
3. Thymus and testes
4. Adrenal and ovary
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFeeling 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following does not act as a neurotransmitter?
1. Acetylcholine
2. Epinephrine
3. Nor epinephrine
4. Cortisone
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich hormone causes dilation of blood vessels, increased oxygen consumption, and glucogenesis?
1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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