21.
you should pinch your nose and lean your head forward if you have a nosebleed.

true

false
22.
many states have additional driving laws that apply to teenage drivers.

true

false
23.
what is an example of how a communicable disease can be transmitted by direct contact?

drinking contaminated water

kissing

breathing in the air after an infected person coughs

touching a contaminated object

24.
teenagers are more likely to be involved in a violent crime than any other age group.

true

false

25.
once a person’s red blood cells are all destroyed by hiv, a person develops aids.

true

false