Which hormone is secreted by the parathyroid glands?
Correct answer: B. Parathyroid hormone
- A. Calcitonin
- B. Parathyroid hormone
- C. Aldosterone
- D. Thyroid-stimulating hormone
Explanation
Parathyroid hormone raises blood calcium by acting on bone, kidneys and indirectly the intestine. Calcitonin is produced by thyroid parafollicular cells, while aldosterone and thyroid-stimulating hormone come from other glands.
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About Endocrine System
The endocrine system covers hormone-producing glands including the pituitary, thyroid, parathyroids, adrenals, pancreas, pineal gland, ovaries and testes. It explains hormone classes, target-cell responses, feedback control, and the functions of hormones such as insulin, thyroxine, cortisol, growth hormone and ADH, which is often confused with a kidney-produced substance.
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