To ensure adequate humidification for a patient with an artificial airway, inspired gas at the proximal airway should be 100% saturated with water vapor and at which of the following tem-peratures?
a. 32° to 35° C
b. 37° to 40° C
c. 30° to 32° C
d. 40° to 42° C
ANS: A
These devices can provide saturated gas to the airway at temperatures between 32° and 35° C.
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