When properly performed, mouth-to-mouth (expired air) ventilation provides approximately how much oxygen (O2)?
a. 20%
b. 16%
c. 12%
d. 30%
ANS: B
Exhaled air provides approximately 16% O2, which is sufficient to achieve an arterial O2 tension (PaO2) of between 50 and 60 mm Hg.
Health Professions
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A) the sac that is filled with amniotic fluid that surrounds and protects the baby. B) the muscular organ also known as the uterus or womb. C) a special organ where oxygen and nourishment pass between the mother and fetus. D) none of the above.
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What does "EDI" stand for?
What will be an ideal response?
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