What is the normal arterial pH range?

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Multiple Choice

What is the normal arterial pH range?

Explanation:
Maintaining acid-base balance is about keeping hydrogen ion concentration in a narrow range so enzymes and tissues function properly. Arterial pH reflects the net effect of buffers in the blood and the lungs and kidneys adjusting CO2 and bicarbonate. The normal arterial pH is about 7.35 to 7.45. This tight window ensures metabolic processes operate correctly; values below 7.35 indicate acidemia, while values above 7.45 indicate alkalemia. Of the given ranges, 7.35–7.45 falls inside the normal window, while the others are either too acidic or too alkaline.

Maintaining acid-base balance is about keeping hydrogen ion concentration in a narrow range so enzymes and tissues function properly. Arterial pH reflects the net effect of buffers in the blood and the lungs and kidneys adjusting CO2 and bicarbonate. The normal arterial pH is about 7.35 to 7.45. This tight window ensures metabolic processes operate correctly; values below 7.35 indicate acidemia, while values above 7.45 indicate alkalemia. Of the given ranges, 7.35–7.45 falls inside the normal window, while the others are either too acidic or too alkaline.

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