GS PrelimsScience and TechnologyHuman Health and Diseases2008

What is the pH level of blood of a normal person?

A

4.5-4.6

B

6.45-6-55

C

7.35-7.45

D

8-25-8-35

Correct Answer: Option C

Explanation

1. The pH level measures the acidity or alkalinity of a solution. 2. The blood of a normal person is slightly alkaline. 3. The tightly regulated normal range for arterial blood pH is 7.35 to 7.45.

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