EBK HUMAN ANATOMY
EBK HUMAN ANATOMY
9th Edition
ISBN: 9780135241752
Author: Marieb
Publisher: PEARSON CO
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Chapter 20, Problem 5CRCAQ
Summary Introduction

To review:

The effects of arteriosclerosis on arteries.

Introduction:

Arteriosclerosis is a condition that generally occurs in old age due to the changes in the arterial system. The arteries supply oxygenated blood from the heart to the body parts. The thickness of the arterial wall plays a major role in controlling the pressure of blood flow. The pulmonary artery is an exceptional case that supplies deoxygenated blood from the right ventricle to the lungs for its purification.

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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation?   The cell membranes are more resistant than normal.   An isotonic solution had been added instead of water.   A solution of 0.1 M NaCl had been added instead of water.   Not enough water had been added to the red blood cell pellet.   The man had sickle-cell anaemia.

Chapter 20 Solutions

EBK HUMAN ANATOMY

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