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Discuss Concepts In hospitals, solutions of glucose with a concentration of 0.3 M can be introduced directly into the bloodstream of patients without tissue damage by osmotic water movement. The same is true of NaCl solutions, but these must be adjusted to 0.15 M to be introduced without damage. Explain why one solution is introduced at 0.3 M and the other at 0.15 M.

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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892

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Section
BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892
Chapter 5, Problem 13TYK
Textbook Problem
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Discuss Concepts In hospitals, solutions of glucose with a concentration of 0.3 M can be introduced directly into the bloodstream of patients without tissue damage by osmotic water movement. The same is true of NaCl solutions, but these must be adjusted to 0.15 M to be introduced without damage. Explain why one solution is introduced at 0.3 M and the other at 0.15 M.

Summary Introduction

To review:

The variation in the concentration of the glucose and NaCl (sodium chloride) injected into the blood.

Introduction:

Blood is the main transporting fluid in the body. Many solutes, in varying concentrations, are dissolved in blood. The osmolarity of the blood is maintained in the body by osmosis and diffusion of the water and different molecules. This osmotic balance is regulated by the homeostasis of the body. During diseased conditions, the osmotic balance of the blood is disturbed and thus solutes are injected into the body, relative to their concentration in the body.

Explanation of Solution

In animal cells, molecules, ions, and proteins are present in almost equal concentrations, to maintain equal flow of water in and out of the cell. Such cells and environment are termed as isotonic. To maintain this isotonic osmolarity in the body, diffusion and osmosis occur through membranes and the protein pumps in the membrane.

During diseased conditions, the osmolarity is affected and is restored by injecting the fluids and the solutes into the body. The solutes are injected relative to their concentration in the body to maintain the isotonic condition...

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