When used as an airway adjunct for CPR, an ideal mask should have which of the following characteristics?
1. Constructed of opaque material
2. Include an inlet for supplemental O2
3. Capable of a tight seal against the face
4. Standard 15/22 mm connection
a. 2 and 4 only
b. 1 and 3 only
c. 2, 3, and 4 only
d. 1, 3, and 4 only
ANS: C
An ideal mask should be made of transparent material, be capable of sealing tightly against the face, provide an inlet for supplemental O2, and have a standard 22-mm port for connection. The mask should be available in various sizes to accommodate adults, children, and infants. Infant masks often have a 15-mm male connector instead of a 22-mm port.
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