Question

Calcium and Phosphate ions are balanced between blood and other tissues by ............

• A. Thymosin and Parathormone
• B. Calcitonin and Somatostatin
• C. Collip’s hormone and Calcitonin
• D. Calcitonin and Thymosin

Hint:

Calcitonin and somatostatin play key roles in maintaining calcium and phosphate balance in the body.

Answer 1

The Correct Option is B

Step 1: Understanding the role of hormones.
Calcitonin helps lower calcium levels in blood by promoting calcium deposition in bones, while somatostatin inhibits the release of growth hormone and insulin, contributing to calcium regulation.
Step 2: Analyzing the options.
(1) Thymosin and Parathormone: Incorrect. Thymosin is involved in immune function, while parathormone regulates calcium but not in conjunction with thymosin.
(2) Calcitonin and Somatostatin: Correct. These hormones are involved in regulating calcium and phosphate balance.
(3) Collip’s hormone and Calcitonin: Incorrect. Collip’s hormone is not directly involved in calcium-phosphate regulation.
(4) Calcitonin and Thymosin: Incorrect. Thymosin is not involved in calcium regulation.
Step 3: Conclusion.
The correct answer is (2) Calcitonin and Somatostatin for the regulation of calcium and phosphate balance.