Which of the following are advantages of the nasal cannula as a low-flow O2 delivery system? 1. Stability 2. Low cost 3. Easy application 4. Disposability
a. 2 and 4 only
b. 1, 2, and 4 only
c. 2, 3, and 4 only
d. 1, 2, 3, and 4
ANS: C
Table 41-3 lists the FiO2 range, FiO2 stability, advantages, disadvantages, and best use of the na-sal cannula.
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