You are by the side of a young female college student who is unresponsive. Friends say that she is not a heavy drinker, but tonight she drank an excessive amount of alcohol. She responds to painful stimuli and has snoring respirations. Her respiratory rate is 8 breaths per minute and her radial pulse is weak. Your immediate action would be to:

A) determine if drugs are also involved.
B) perform the head-tilt/chin-lift maneuver.
C) administer positive pressure ventilation.
D) apply oxygen via a nonrebreather mask.

B