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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 are the functional units of the kidneys?

A. Collecting ductsB. Major calyces

C. PeritubularD. Nephrons

capillaries

Summary Introduction

Introduction:

The two bean-shaped organs, the kidneys, are present at the abdominal cavity’s posterior wall on the side of the vertebral column. Kidneys have nephrons which consist of glomerulus, proximal tubule, distal tubule, and loop of Henle. The distal tubule is usually emptied into collecting ducts which are a part of nephrons owing to their role in the concentration of urine.

Explanation

Explanation/justification for the correct answer:

Option (d) is, ‘nephron.’ Nephrons are the functional unit of kidneys as they perform majority of kidney’s functions as urine formation, concentration of urine, reabsorption, and secretion. So, option (d) is correct.

Explanation for incorrect answer:

Option (a) is, ‘collecting ducts.’ Collecting ducts are a functional part of nephrons owing to their role in urine concentration, ion balance, but they are not the functional unit of kidneys...

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