Question

In which part uriniferous tubule, $N{a}^{+}$ passes out

• A. Descending loop of Henle
• B. Collecting tubule
• C. Ascending loop of Henle
• D. None of the above

Answer 1

Answer: (C)

Ascending loop of Henle

The nephron is the structural and functional unit of the kidney. It is also called as uriniferous tubule. During the process of urine formation in nephron certain substances are secreted (passes out) and some are reabsorbed along the length of the nephron. The ascending loop of Henle is impermeable to water but allows transport of electrolytes like Na(+). ions actively or passively.

So, the correct answer is 'Option C'