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Cardiopulmonary Anatomy & Physiolo...

7th Edition
Des Jardins + 1 other
ISBN: 9781337794909

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Chapter
Section
BuyFindarrow_forward

Cardiopulmonary Anatomy & Physiolo...

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

Glomerular filtration is directly proportional to

A. Blood cell size

B. Hydrostatic pressure

C. Osmotic pressure

D. The patient’s fluid intake

Summary Introduction

Introduction:

The kidney’s functional unit is referred to as a nephron. It consists of glomerulus, loop of Henle, proximal tubule, and distal tubule. The major functions include the formation of urine, which involves processes like glomerular filtration, tubular secretion, and tubular reabsorption. The filtration of substances through the capillary membrane of glomerulus is called glomerular filtration.

Explanation

Explanation/justification for the correct answer:

Option (b) is given as hydrostatic pressure. There are three forces that influence the rate of glomerular filtration, which are hydrostatic pressure, fluid pressure in Bowman’s capsule, and osmotic force caused by the protein difference. Hydrostatic pressure enhances the rate of filtration, that is, the glomerular filtration rate increases as the hydrostatic pressure increases. Hence, option (b) is the correct option.

Explanation for incorrect answer:

Option (a) is given as blood cell size. The size of a blood cell does not play any role in glomerular filtration...

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