Name:_______________________________        Date:__________________

Pre-test Questions for "Invisible Intruders"

Circle True or False:

1. Infectious agents enter our body through food, water and through skin-to-skin contact.

True

False

2. Infection spreads faster at less crowded places.

True

False

3. Good sanitary conditions decrease our chances of getting some type of infections.

True

False

4. Tuberculosis is caused by a virus?

True

False