Calcium Regulation | MCQs
مندرجہ ذیل میں سے کون سا وٹامن بلڈ کیلشیم کو منظم کرتا ہے؟
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A. Vitamin B
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B. None of these
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C. Vitamin C
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D. Vitamin D
Explanation
Vitamin D helps the body absorb calcium from the intestines.
It regulates blood calcium levels by enhancing calcium absorption and reducing calcium loss from bones.
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A. Adrenal glands
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B. Thyroid gland
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C. Parathyroid glands
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D. Bone cells
Explanation
Parathyroid hormone (PTH) is produced and secreted by the parathyroid glands, which are located behind the thyroid gland in the neck.
PTH regulates blood calcium levels by stimulating"
- bone cells (osteoclasts) to release calcium from bones
- increasing calcium absorption in the intestines
- reducing calcium excretion in the kidneys.
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