What Fractional Inspired Oxygen (F_IO₂)setting Should Be Set on the Ventilator

question 27

Multiple Choice

What fractional inspired oxygen (F_IO₂) setting should be set on the ventilator when the patient currently has a partial pressure of oxygen (P_aO₂) of 53 mm Hg while receiving 50% oxygen and the desired P_aO₂ is 90 mm Hg?

• A) 64%
• B) 74%
• C) 85%
• D) 95%

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