Which hormone is released when serum calcium decreases ?
Correct answer: A. Parathormone
- A. Parathormone
- B. Calcitonin
- C. Thyroxine
- D. Adrenaline
Explanation
A fall in serum calcium stimulates parathyroid hormone release, which raises calcium through effects on bone, kidneys and activation of vitamin D. Calcitonin is released mainly when calcium is elevated.
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