What is the maximum FiO2 expected to be delivered by most air-entrainment masks?

a. 30%
b. 40%
c. 50%
d. 60%

ANS: C
Most air-entrainment masks can be set to deliver no more than 50% O2.

Health Professions

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Which device is sometimes used for achieving and maintaining the lateral position?

a. Andrews table b. beach chair positioner c. vacuum beanbag d. Wilson frame

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