Which of the Following Indicate Severely Impaired Oxygenation Requiring High

question 15

Multiple Choice

Which of the following indicate severely impaired oxygenation requiring high FiO₂s and positive end expiratory pressure?
1) PaO₂-PaO₂ greater than 350 mm Hg on 100% O₂
2) VC less than 10 ml/kg
3) PaO₂/FiO₂ less than 200
4) PaCO₂ greater than 45 mm Hg

• A)1 and 4 only
• B)1 and 3 only
• C)2 and 3 only
• D)1, 2, and 4 only

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Definitions:

Breath Sounds

The sounds made by the movement of air in and out of the lungs, useful for diagnosing and monitoring respiratory conditions.

Critical Thinking

The objective analysis and evaluation of an issue in order to form a judgment.

Nursing Process

A systematic, evidence-based approach used by nurses to assess, diagnose, plan, implement, and evaluate patient care.

Linear Processes

Operations or procedures that proceed in a straight line or in sequential steps, where the outcome is directly proportional to the input.