Which of the following is true about catecholamines
1. Increase heartbeat
2. cause goose bumps
3. Pupilary dilation
4. All of these
Mary is about to face and interview. But during first five minutes before the interview, she experiences sweating, increased rate of heart beat, respiration etc. Which hormone is responsible for her restlessness?
1. Prostaglandins and Vasopressin
2. Epinephrine and Cortisol
3. Adrenaline and Norepinephrine
4. Insulin and Thyroxine
Feeling the tremor of an earthquake a scared resident of seventh floor of a multistoryed
building starts climbing down the stairs rapidly. Which hormone initiated this action?
1. Thyroxine
2. Adrenaline
3. Glucagon
4. Gastrin
Fight - 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. |
The centrally located tissues of the adrenal gland are called
1. adrenal cortex
2. Adrenal medulla
3. adrenal mediastinum
4. None of these
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
Catecholamine in a normal person induces
1. intense salivation
2. alertness
3. decrease in heart beat
4. excessive urination
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 |
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
Which hormone causes dilation of blood vessels, increased oxygen consumption and gluco-genesis ?
1. ACTH
2. Insulin
3. Adrenalin
4. Glucagon