1: which virus has been known to increase the risk of developing cancer?
a) mononucleosis
b) staph
c) hepatitis b
d) hepatitis c

2: public health protects which of the following?
a) communities
b) underprivileged individuals
c) children
d) the elderly

3: which service might a public health agency provide?
a) research and education
b) insurance and clinics
c) disasters preparedness
d) all of the above

1. pass through the cochlea, are transformed into nerve impulses and sent to the brain hair cells 2. forms in your outer ear and is meant to protect your ear from dirt and infection middle ear 3. receives sounds and sends them through the auditory canal to the eardrum inner ear 4. a thin membrane that transmits sound waves into the middle ear cerumen 5. where the cochlea is sound waves 6. a snail-shaped organ lined with hair cells cochlea 7. inside, small bones transmit sound waves from the eardrum to the inner ear eardrum 8. destroyed by extended exposure to loud noise outer ear