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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

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BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909
Textbook Problem

Which of the following is(are) part of the nephron?

1. Proximal convoluted tubules

2. Loop of Henle

3. Glomerulus

4. Distal convoluted tubules

A. 3 only

B. 2, 3, and 4 only

C. 1, 2, and 3 only

D. 1, 2, 3, and 4

Summary Introduction

Introduction:

The kidney’s functional unit is known as a nephron. It is a long tubular structure with a cup-like structure on one end. The major functions carried out by a nephron include urine formation and concentration, ion balance, tubular reabsorption, and tubular secretion.

Explanation

Explanation/justification for the correct answer:

Option (d) is given as 1, 2, 3, and 4. A nephron is a long tubule-like structure with a cup-like Bowman’s capsule on one end, which extends to form a coiled structure called proximal convoluted tubule. This descends to form the loop of Henle that further ascends to the distal convoluted tubule, which drains into the collecting ducts. Hence, option (d) is the correct answer.

Explanation for incorrect answer:

Option (a) is given as 3 only, that is, glomerulus. Along with glomerulus, the proximal and distal convoluted tubules and the loop of Henle are also a part of a nephron...

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