Graves' disease is caused due to:
Correct answer: B. Hypersecretion of thyroid gland
- A. Hyposecretion of thyroid gland
- B. Hypersecretion of thyroid gland
- C. Hyposecretion of adrenal gland
- D. Hypersecretion of adrenal gland
Explanation
Graves' disease is characterized by secretion of excessive amount of thyroid hormone (T4 and T3). It is an autoimmune disease. Thyroid hormones affect many organs in the body. So Graves' disease symptoms also can affect those organs. Anyone can get Graves' disease. But it's more common in women and in people older than 30. It is characterized by exophthalmia (protrusion of eye balls because of fluid accumulation behind them), loss of weight, slight rise in the body temperature, excitability, rapid heart beat, nervousness and restlessness.
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About Chemical Coordination and Hormones
Chemical coordination uses hormones released by endocrine glands and carried in blood to specific target cells. Coverage includes the pituitary, thyroid, pancreas, adrenal glands, ovaries and testes, feedback control, and the contrast between slower, longer-lasting hormonal responses and rapid nervous coordination.
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