What is the normal ABG pH range?

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Multiple Choice

What is the normal ABG pH range?

Explanation:
The normal arterial pH range is 7.35 to 7.45. This narrow window keeps enzyme activity and cellular processes functioning properly. Values below 7.35 indicate acidemia, while values above 7.45 indicate alkalemia. In ABG interpretation, pH is assessed alongside PaCO2 (respiratory component) and HCO3- (metabolic component) to determine whether the disturbance is respiratory or metabolic in origin and whether there is compensation.

The normal arterial pH range is 7.35 to 7.45. This narrow window keeps enzyme activity and cellular processes functioning properly. Values below 7.35 indicate acidemia, while values above 7.45 indicate alkalemia. In ABG interpretation, pH is assessed alongside PaCO2 (respiratory component) and HCO3- (metabolic component) to determine whether the disturbance is respiratory or metabolic in origin and whether there is compensation.

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