Multiple choice

The normal Ph of the human blood is _____.

  1. 7.45

  2. 7.34

  3. 7.23

    1. 12
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A Correct answer
Explanation

The normal pH of human arterial blood is 7.35-7.45, with 7.40 being ideal. A pH of 7.45 is within normal range, though at the upper end. pH below 7.35 indicates acidosis, above 7.45 indicates alkalosis. The body tightly regulates blood pH through respiratory and renal mechanisms.

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