Free Set
Question
The normal pH of arterial blood is:
Options
A6.8–7.0
B7.0–7.2
C7.35–7.45 Correct Answer
D7.5–7.7
Correct Answer & Explanation
Option C: 7.35–7.45
Rationale
The normal arterial blood pH is 7.35–7.45, indicating a slightly alkaline environment. The body maintains this balance through buffer systems, lungs, and kidneys. Deviations result in acidosis or alkalosis, which can impair cellular function.
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