The epiglottis is the O a. cartilage that covers the trachea during swallowing
b. cartilage around the bronchioles
c. opening between the vocal cords
O d. lower end of the trachea
e. throat

A. Cartilage that covers the trachea during swallowing

Pretty sure this would be b. the rest are trick questions. the bystanders  won't go near you if u have cpr cuffs that could hurt them. the dog will back off because the sound will scare him. and the vomits just a stupid trick. if there is that much slober and vomit on the guy hes either choking on it, or just take off his shirt.