A Physician Is Trying to Determine the Best Index of Oxygenation

question 19

Multiple Choice

A physician is trying to determine the best index of oxygenation for a patient undergoing mechanical ventilation who has required frequent changes in FIO₂.Which of the following available indices of oxygenation should be recommended for this patient?

• A) PaO₂/PAO₂
• B) PaO₂/FIO₂
• C) P(A-a)O₂
• D) PAO₂/PaO₂

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Definitions:

Tenancy In Common

A form of co-ownership where each owner has an undivided interest in the property, and upon death, their interest passes to their heirs or as directed by their will.

Will

A legal document expressing a person's wishes regarding the distribution of their property and the care of any minor children after their death.

Common Law Right

Rights derived from historical court decisions and customary practices rather than statutes.

Water

A transparent, tasteless, odorless, and nearly colorless chemical substance that is essential for most forms of life and is used in many industrial processes.