Find mismatch
Correct answer: B. Parathyroid gland-Calcitonin
- A. Thyroid gland-T3 and T4
- B. Parathyroid gland-Calcitonin
- C. Pancreas-Insulin
- D. Gonads-Testes and ovaries
Explanation
The correct answer is Option B: 'Parathyroid gland-Calcitonin'. This is a mismatch because the parathyroid glands produce parathyroid hormone (PTH), not calcitonin. Calcitonin is produced by the thyroid gland and works to reduce blood calcium levels, counteracting PTH. The other options correctly match the glands with their primary hormones or functions: the thyroid produces T3 and T4, the pancreas produces insulin, and the gonads refer to testes and ovaries in the reproductive system.
This question appeared on the ETEA MDCAT 2019 paper, which you can sit online with every answer explained.
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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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