Anterior nosebleeds will ooze _________________ red blood

Children suffer from ________ more frequently than do adults

a. otitis media b. otosclerosis c. Ménière's disease d. presbycusis

Second-hand smoke exposes the non-smoker to more chemicals than the smoker. How much worse are these chemicals?

A) 25 fold B) 50 fold C) 100 fold D) 125 fold