Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
|
|
|
1.
|
A
disease-causing agent is called a(n) a. | interferon. | c. | infection. | b. | pathogen. | d. | fungi. | | | | |
|
|
|
2.
|
The
first line of defense against infection includes a. | mucous membranes. | c. | killer T cells. | b. | neutrophils. | d. | antibodies. | | | | |
|
|
|
3.
|
When
a puncture wound becomes infected, a. | damaged cells release chemicals that promote the immune
response. | b. | local blood vessels dilate. | c. | white blood
cells move into the injured area. | d. | All of the above | | |
|
|
|
4.
|
The
protein that causes nearby cells to produce an enzyme that prevents viruses from making proteins and
RNA is called a. | interferon. | c. | mucus. | b. | complement. | d. | MAC. | | | | |
|
|
|
5.
|
macrophages : helper T cells :: a. | cytotoxic T cells : macrophages | b. | helper T cells :
cytotoxic T cells and B cells | c. | B cells : cytotoxic T cells and
macrophages | d. | mucous membranes cells : helper T cells and B
cells | | |
|
|
|
6.
|
Which
of the following is not an autoimmune disease? a. | systemic lupus
erythematosus | c. | rheumatoid
arthritis | b. | multiple sclerosis | d. | influenza | | | | |
|