Which Level of FIO₂ and What Time of Exposure Have $\quad \mathrm { FIO } _ { 2 } \geq 0.5$

question 33

Multiple Choice

Which level of FIO₂ and what time of exposure have been associated with oxygen toxicity?
I. $\quad \mathrm { FIO } _ { 2 } \geq 0.5$
II. $\quad \mathrm { FIO } _ { 2 } \geq 0.7$
III. $\quad \mathrm { FIO } _ { 2 } \geq 0.6$
IV. $\quad$ 24 to 48 hours
V. $\quad$ 48 to 96 hours

• A)I and V
• B)III and IV
• C)III and V
• D)I and IV

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