Which Level of a PaO₂/FIO₂ Ratio Is Consistent with a Definition

question 27

Multiple Choice

Which level of a PaO₂/FIO₂ ratio is consistent with a definition of acute lung injury (ALI) ?

• A)50
• B)100 to 200
• C)150
• D)200 to 300

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Definitions:

Biologically Determined

Refers to traits, behaviors, or conditions that are influenced by genetic makeup rather than the environment.

Instinct

An innate, typically fixed pattern of behavior in animals in response to certain stimuli that is primarily genetically coded.

Homeostasis

The self-regulating process by which biological systems tend to maintain stability while adjusting to conditions that are optimal for survival.

Steady State

A condition in which all aspects of a system are in equilibrium or unchanging over time, often used in physics and economics to describe stable systems.