During CPR, a properly positioned endotracheal tube can do which of the following?
1. Isolate and protect the lower airway from aspiration.
2. Permit suctioning of the trachea and main stem bronchi.
3. Facilitate positive-pressure ventilation and oxygenation.
4. Provide a route for administration of selected drug agents.
a. 1, 2, and 3 only
b. 3 and 4 only
c. 1, 2, 3, and 4
d. 1 and 4 only
ANS: C
An advanced airway will allow the rescuer to achieve one or more of the following goals: (1) de-liver ventilations that are nonsynchronous with chest compressions, (2) restore airway patency, (3) maintain adequate ventilation, (4) isolate and protect the airway from aspiration, (5) provide access for clearance of secretions, and (6) provide an alternate route for administration of select-ed drugs.
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