Question:

Maintenance of water and electrolyte balance is influenced by which hormone?

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Thyroid hormones regulate overall metabolism → affects water-electrolyte balance.
Updated On: Jul 18, 2026
  • Thymosin
  • Calcitonin
  • Testosterone
  • Thyroid hormones
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The Correct Option is D

Solution and Explanation

Step 1: Understanding homeostasis.
The human body maintains internal balance of water, electrolytes, and metabolic activities through hormonal regulation. This is essential for proper physiological functioning.

Step 2: Role of endocrine hormones.
Different hormones regulate different homeostatic functions such as calcium balance, metabolism, and fluid balance. Thyroid hormones play a broad regulatory role.

Step 3: Thyroid hormone function.
Thyroid hormones (T3 and T4) regulate metabolism and influence water-electrolyte balance indirectly by controlling metabolic rate and ion transport processes.

Step 4: Evaluation of other options.
Thymosin is related to immunity, calcitonin regulates calcium levels, and testosterone controls reproductive functions. None directly regulate water-electrolyte balance.

Step 5: Physiological significance.
Proper thyroid function ensures metabolic stability which indirectly maintains fluid and electrolyte equilibrium in the body.

Step 6: Final conclusion.
Thus, thyroid hormones are responsible for maintaining water and electrolyte balance.
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