The hormone responsible for promoting water reabsorption in the kidney tubules is
Question and options
The hormone responsible for promoting water reabsorption in the kidney tubules is
- Antidiuretic hormone (ADH)
- Aldosterone
- Parathyroid hormone (PTH)
- Thyroxine
Answer and explanation
Correct answer: A - Antidiuretic hormone (ADH)
ADH (vasopressin) inserts aquaporins into collecting-duct cells, promoting water reabsorption. Aldosterone mainly drives reabsorption.
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