1. A 25-year-old woman is recovering from severe pneumonia and has been receiving ventilatory support for 2 days. Current FIO2 is 0.6, and the patient’s PaO2 on this setting is 200 mm Hg. What change in FIO2 would achieve a target PaO2 of 80 mm Hg? A. 0.75 B. 0.25 C. 0.50 D. 0.40

Cardiopulmonary Anatomy & Physiology
7th Edition
ISBN:9781337794909
Author:Des Jardins, Terry.
Publisher:Des Jardins, Terry.
Chapter4: The Diffusion Of Pulmonary Gases
Section: Chapter Questions
Problem 5RQ: At sea level, the alveolar water vapor pressure in normally about A. 0.2 mm Hg B. 47 mm Hg C. 0.0 mm...
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1. A 25-year-old woman is recovering from severe pneumonia and has been receiving ventilatory support for 2 days. Current FIO2 is 0.6, and the patient’s PaO2 on this setting is 200 mm Hg. What change in FIO2 would achieve a target PaO2 of 80 mm Hg?

A. 0.75

B. 0.25

C. 0.50

D. 0.40

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