The oxygen concentration of a nasal cannula is between:
A. 4 and 6 percent
B. 8 and 20 percent
C. 24 and 44 percent
D. 50 and 65 percent
Answer: C
The oxygen concentration of a nasal cannula is between:
A. 4 and 6 percent
B. 8 and 20 percent
C. 24 and 44 percent
D. 50 and 65 percent