NEET Zoology Endocrine Glands MCQ Question
If the parathyroid glands secrete parathyroid hormone at a constant rate, and this hormone is responsible for regulating calcium levels by increasing them in the blood, what would be the effect on blood calcium levels if the secretion of parathyroid hormone is reduced by 50%?
Blood calcium levels decrease
Blood calcium levels increase
Blood calcium levels remain constant
Blood calcium levels fluctuate
Correct Answer
Detailed Explanation
Parathyroid hormone increases calcium levels in the blood. If its secretion is reduced, calcium levels will decrease.
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