Under which of the following conditions would mechanical insufflation-exsufflation with an oronasal mask probably be effective?
1. If the glottis collapses during exsufflation
2. Presence of fixed airway obstruction
3. Presence of a chronic neuromuscular disorder
a. 3 only
b. 1 and 2 only
c. 1, 2, and 3
d. 1 and 3 only
ANS: A
Mechanical insufflation-exsufflation via an oronasal interface is effective, provided that there is no fixed airway obstruction or glottic collapse during exsufflation.
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Indicate whether the statement is true or false
When sterile supplies have been opened, the setup is vulnerable to contamination. The longer a setup remains exposed, the greater the risk of contamination. It is recommended that supplies not be left open before a case ________
A. for more than 2 hours B. unless it is constantly monitored for contamination C. unless signs have been posted on the doors, and the doors have been taped to prevent entry into the room D. without informing the patient of the length of time that the room has been open