Which of the Following Criteria Are Used to Define Ventilatory

question 8

Multiple Choice

Which of the following criteria are used to define ventilatory and hypoxemic dysfunction in patients who may need intubation?
I. PaO₂ < 80 mm Hg with FiO₂ > 0.60
II. PaCO₂ > 50 to 60 mm Hg
III. pH < 7.3
IV. PaO₂/ FiO₂ > 250

• A) I and III only
• B) II and III only
• C) I, II, and III only
• D) I, III, and IV only

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