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CCRN Critical Care Nursing

Category - Adult

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The nurse is evaluating her patient’s arterial blood oxygenation level on a patient who is status post a myocardial infarction 2 days ago. What would be the minimal oxygenation saturation level that would reflect adequate oxygen supply to the tissues?

Explanation

Answer: B - The minimal oxygenation saturation that would reflect adequate oxygen supply to the tissues is 90%. In an arterial blood gas reading, the measurement of oxygen tension in the arterial blood (PaO2) needs to be greater than 80 mm Hg.

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CCRN Critical Care Nursing

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CCRN Critical Care Nursing

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