AIIMS 2018 Zoology Biology MCQ Question
Which of the following hormones coordinate with each other to maintain ideal blood Ca level?
Thyrocalcitonin and glucagon
Parathyroid hormone and cortisol
Thyrocalcitonin and Thyroxin
Thyrocalcitonin and Parathyroid hormone
Correct Answer
Detailed Explanation
The correct answer is D) Thyrocalcitonin and Parathyroid hormone because these two hormones work together to regulate blood calcium levels. Parathyroid hormone increases blood calcium by promoting the release of calcium from bones, while thyrocalcitonin (also known as calcitonin) lowers blood calcium by inhibiting bone resorption and promoting calcium excretion in the kidneys. This coordinated effort ensures that calcium levels remain balanced in the bloodstream.
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