Which of the following statements are true of PaO₂/PAO₂?
I.PaO₂/PAO₂ is more stable than P(A-a) O₂ when FIO? changes.
II.The lower normal limit for PaO₂/PAO₂ is approximately 0.75.
III.The higher normal limit for PaO₂/PAO₂ is 1.0.
IV.PaO₂/PAO₂is less stable than P(A-a) O₂ when FIO₂ changes.

Question

Quizplus · Accepted Answer

PaO₂/PAO₂ is more stable than P(A-a)O₂ when FIO₂ changes. The lower normal limit for PaO₂/PAO₂ is approximately 0.75. That is, at least 75% of the PAO₂ is normally trAnswerferred to the arterial blood. Because there is always some degree of P(A-a)O₂ present, the PaO₂/PAO₂ can never be 1.0.

Which of the Following Statements Are True of PaO2/PAO2

Which of the Following Statements Are True of PaO₂/PAO₂