Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

Which part of the nephron is impermeable to water, thereby allowing dilution of tubular fluid?
Options
A Descending limb of the loop of Henle
B Ascending limb of the loop of Henle
Correct Answer
C Proximal convoluted tubule
D Collecting duct
Correct Answer

Option B is the correct answer.

Detailed Explanation

The thick ascending limb actively transports sodium, potassium, and chloride out of the tubule but is impermeable to water, producing dilute filtrate and contributing to the medullary osmotic gradient.

Hint

This segment uses NKCC2 cotransporters.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 131 of 2214
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