Which of the Following Oxygenation Measures Support a Patient's Readiness

question 12

Multiple Choice

Which of the following oxygenation measures support a patient's readiness to wean?
1) PaO₂/PAO₂ (a/A) = 0.45
2) PaO₂/FiO₂ (P/F) = 110
3) PAO₂ - PaO₂ = 240 mm Hg
4) Physiologic shunt (Q_s/Q_t) = 12%

• A)1 and 3 only
• B)1, 2, and 3 only
• C)2 and 4 only
• D)1, 3, and 4 only

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