A variant of a common low-flow, nasal O2 delivery device that is capable of providing both high humidity and a high FiO2 is known as which of the following?
a. High-flow nasal cannula
b. Transtracheal catheter
c. Nasal catheter
d. Demand-flow oxygen
ANS: A
A variation of the standard nasal cannula which can provide both a high FiO2 and high humidity is known as a high-flow nasal cannula.
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