NAME__________________

DAY _______

COMMUNICABLE DISEASES REVIEW SHEET

1. Write the definition to the following words: Give three characteristics of each.

a. Bacteria

b. Virus

c. Protozoa

d. Fungi

2. Fill the Blank

1. ____________is the most important of all outer defenses. It also produces sweat that kills certain bacteria.

2. _____________ ______________produces mucus to trap harmful microorganisms so they do not enter the body.

3. _____________are special cells that fight infection. They destroy pathogens by surrounding and swallowing them.

4.. Tiny wavelike hairs, called ___________ keep out harmful microorganisms.

5.. Tears and saliva are examples of which defense mechanisms.______________

3. True or False

1. ________ Diseases can enter the body though the openings in the ears?

2. ________ A cold is caused by bacteria?

3. ________ Antigens produce a “code” that allows the body to detect certain pathogens?

4. ________ T cells and B cells are part of specific resistance?

5. ________ Ringworm is caused by a fungus?

6. ________ The rabies virus attacks the brain?

7. ________ A vaccine contains a weaken state of a virus that prevents you from getting a particular disease by triggering your immune response?

8. ________ Non-specific resistance “remembers” the antigen given off by a pathogen so it can kill it later on in life?

9. ________ Communicable diseases are not spread from person to person?

10. ________ Patohgens are only spread from contact with animals?

4. Short Answer

1. List four ways that pathogens are spread?

a.

b.

c

d.

2. List four ways that pathogens can enter the body?

a.

b.

c.

d.

3. Explain how a virus reproduces?

4. Why is it unlikely to get chicken pox twice?

5. List five ways that your body protects itself from disease?

a.

b.

c.

d.

e.

6. What is non- specific and specific resistance?