An Elderly Postoperative Patient Without Known Respiratory or Central Nervous

question 11

Multiple Choice

An elderly postoperative patient without known respiratory or central nervous system disease cannot be extubated in the postanesthesia recovery unit due to abnormal ABG results. The patient does not respond to the nurse's commands and has a respiratory rate of 10. What ABG results might the nurse expect?

• A) pH 7.28; PaO₂ 80 mmHg; PaCO₂ 55 mmHg; HCO₃ 22 mmHg; SaO₂ 92%
• B) pH 7.35; PaO₂ 58mmHg; PaCO₂ 36 mmHg; HCO₃ 25 mmHg; SaO₂ 85%
• C) pH 7.42; PaO₂ 52mmHg; PaCO₂ 45 mmHg; HCO₃ 26 mmHg; SaO₂ 82%
• D) pH 7.44; PaO₂ 59mmHg; PaCO₂ 50 mmHg; HCO₃ 25 mmHg; SaO₂ 89%

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Definitions:

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