Which of the followings stimulates the parathyroid gland?
Correct answer: B. Low levels of Ca++ions
- A. High levels of Ca++ions
- B. Low levels of Ca++ions
- C. Lack of iodine
- D. Deficiency of thyroxine
Explanation
A fall in blood calcium stimulates the parathyroid glands to release parathyroid hormone, which raises calcium levels through effects on bone, kidneys, and vitamin D activation. High calcium suppresses parathyroid hormone secretion.
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