# Due to a sudden hormonal imbalance, a patient’s blood was tested and shown to have a pH of 7.5. What does this pH value mean? a. This is more acidic than normal blood. b. It represents a weak alkaline fluid. c. This is caused by a release of large amounts of hydrogen ions into the system. d. The reaction H 2 CO 3 ⇌ HCO 3 - +H + is pushed to the left. e. This is probably caused by excess CO 2 in the blood.

### Biology: The Dynamic Science (Mind...

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

### Biology: The Dynamic Science (Mind...

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

#### Solutions

Chapter
Section
Chapter 2, Problem 10TYK
Textbook Problem
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## Due to a sudden hormonal imbalance, a patient’s blood was tested and shown to have a pH of 7.5. What does this pH value mean?a. This is more acidic than normal blood.b. It represents a weak alkaline fluid.c. This is caused by a release of large amounts of hydrogen ions into the system.d. The reaction H 2 CO 3 ⇌ HCO 3 - +H + is pushed to the left.e. This is probably caused by excess CO2 in the blood.

Expert Solution
Summary Introduction

Introduction:

Acidic or basic character is expressed in terms of pH (potential of hydrogen). It is the negative logarithm of the concentration of H+. If the pH is 7, the solution is neutral. If pH > 7, it is basic or alkaline. If pH < 7, it is acidic. Substances are classified as acidic, basic, and neutral depending on their ability to change the concentration of H+ and OH in a given medium.

### Explanation of Solution

Option (b) states that if the pH of blood is 7.5, it represents a weak alkaline fluid. A pH above 7 indicates that the solution is alkaline. A pH value more than 7 indicates that the solution is alkaline. Hence, option (b) is correct.

Option (a) states that if the pH of blood is 7.5, it is more acidic than normal blood. The pH of blood ranges from 7.3 to 7.5; so, it is either equally or less acidic than normal blood. So, it is an incorrect option.

Option (c) states that if the pH of blood is 7.5, it causes the release of a large number of H+ ions. It is false as when pH is above 7, the number of H+ is less than that of OH. So, it is an incorrect option

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