Washing your hands can help protect you from dangerous pathogens. (1 point)

Question

• True
• False

Answer 1

True

Answer 2

Infectious diseases are caused by organisms or viruses that enter and multiply within the human body. (1 point)
• True
• False

Answer 3

True

Answer 4

Physical lines of defense include (1 point)
• skin, cielia, and mucous membranes.
• hair.
• nails.
• teeth.

Answer 5

skin, cilia, and mucous membranes.

Answer 6

When a doctor feels for lymph nodes, he is checking for (1 point)
• inflammation.
• shrinking
• pain.
• sensitivity

Answer 7

inflammation.

Answer 8

Your body can get antibodies from (1 point)
• immunizations.
• being exposed to the virus or antibody and having your immune system make it.
• none of the above.
• all of the above.

Answer 9

all of the above.

Answer 10

Dogs, ticks, and mosquitoes can spread disease. (1 point)
• True
• False

Answer 11

True