What is the function of the loop of Henle in the nephron?

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Question: What is the function of the loop of Henle in the nephron?

Options:

Correct Answer: Concentrating urine

Solution:

The loop of Henle is primarily responsible for concentrating urine by creating a concentration gradient in the renal medulla.

What is the function of the loop of Henle in the nephron?

What is the function of the loop of Henle in the nephron?

Step 1: Understand that the nephron is the basic unit of the kidney that helps filter blood and produce urine.
Step 2: Identify the loop of Henle as a U-shaped part of the nephron located between the proximal tubule and the distal tubule.
Step 3: Learn that the loop of Henle has two main parts: the descending limb and the ascending limb.
Step 4: Recognize that the descending limb allows water to leave but not salts, making the fluid inside more concentrated.
Step 5: Understand that the ascending limb allows salts to leave but not water, which helps dilute the fluid inside.
Step 6: Realize that this process creates a concentration gradient in the renal medulla, which is important for water reabsorption.
Step 7: Conclude that the main function of the loop of Henle is to concentrate urine by adjusting the balance of water and salts.

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