Unresponsive patients MOST often experience airway obstructions from:
A. coagulated blood or thick mucus in the mouth.
B. occlusion of the posterior pharynx by the tongue.
C. loose dentures that fall back into the posterior pharynx.
D. foreign bodies, such as food, that block the glottic opening.
Answer: B. occlusion of the posterior pharynx by the tongue.
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Fill in the blank(s) with the appropriate word(s).