The Following Serial Blood Gases Are Obtained from the Same

question 12

Multiple Choice

The following serial blood gases are obtained from the same patient breathing room air: Which of the following best explains these results?

• A) The subject was hyperventilating.
• B) Supplementary O₂ was started on the subject between blood gases.
• C) The second sample was contaminated with heparin solution.
• D) The first sample contained air bubbles.

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