True or False:
Infectious diseases are caused by organisms or viruses that enter and multiply within the human body.
A. true
B. false
A. true
Physical lines of defense include
A. skin, cielia, and mucous membranes.
B. hair.
C. nails.
D. teeth.
A. skin, cilia, and mucous membranes.
When a doctor feels for lymph nodes, he is checking for
A. inflammation.
B. shrinking.
C. pain.
D. sensitivity.
A. inflammation.
Your body can get antibodies from
A. immunizations.
B. being exposed to the virus or antibody and having your immune system make it.
C. none of the above.
D. all of the above.
D. all of the above.
True or False:
Dogs, ticks, and mosquitoes can spread disease.
A. true
B. false
A. true
Immunity is
A. your body's ability to destroy pathogens that it has previously encountered before the pathogens are able to cause disease.
B. white blood cells.
C. your body's general response to injury.
D. the ability to produce red blood cells.