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Ch. 15

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1.
1 point
. _____________ tissues serve as a barrier to microbial infection
2.
1 point
_____________ is a secreted enzyme that destroys bacteria.
3.
1 point
The two categories of immune defensive mechanisms are __________ and ____________.
4.
1 point
Which of the following is involved in specific immunity?
5.
1 point
Molecules that are present in the membranes of gram-negative bacteria and are the best known PAMPs are called
6.
1 point
Phagocytosis of pathogens would be enhanced if
7.
1 point
Interferons
8.
1 point
Actions of interferons include
9.
1 point
Alpha and beta interferons will inhibit
10.
1 point
Antigens
11.
1 point
Small organic molecules that by themselves are NOT antigenic are called
12.
1 point
T lymphocytes in an adult mainly come from
13.
1 point
Which of the following is NOT a secondary lymphoid organ?
14.
1 point
During the local inflammatory response, a lack of mast cells would result in
15.
1 point
What is the process of drawing leukocytes to the site of an infection?
16.
1 point
What chemical is released by mast cells that aids in the inflammation process by causing vasodilation and increased vascular permeability?
17.
1 point
What chemical is released by neutrophils that produces pus at the site of an infection?
18.
1 point
What chemical acts as a chemokine to draw more neutrophils to the site of an infection?
19.
1 point
Allergic reactions could be minimized if the synthesis of immunoglobulin _____________ was blocked.
20.
1 point
Mutations in the genes encoding for IgG would
21.
1 point
Antibody diversity can be explained by
22.
1 point
Colostrum is high in
23.
1 point
Antibody diversity can be explained by
24.
1 point
Mutation in complement protein number 1 would directly
25.
1 point
T lymphocytes
26.
1 point
_____________ may induce excess nitric oxide production in macrophages which could lead to the hypotension characteristic of septic shock.
27.
1 point
Mutations in polypeptides called _____________ that are produced by T cells would prevent T cells from destroying infected cells.
28.
1 point
Individuals suffering from acquired immune deficiency syndrome have decreased numbers of circulating
29.
1 point
Helper T cell activation occurs more readily if the antigen presenting cells are
30.
1 point
What molecule is used to produce lymphokine-activated killer cells to treat some types of cancer?
31.
1 point
Inhibition of the actions of cytotoxic T lymphocytes causes
32.
1 point
The primary target of the human immunodeficiency virus is
33.
1 point
The activation of resting T lymphocytes is prevented by
34.
1 point
A mutation in the gene encoding for interleuken-3 would result in
35.
1 point
New drugs are under development to treat AIDS that act to
36.
1 point
The first successful vaccination with an attenuated virus was conducted by
37.
1 point
The ___________ immune response occurs faster, is stronger, and lasts longer than the __________ immune response.
38.
1 point
__________ is a technique for artificially gaining active immunity through exposure to non-virulent pathogens or nonpathogenic antigens.
39.
1 point
Colostrum provides infants with _____________ immunity.
40.
1 point
What type of cell can destroy cancer cells without prior stimulation by tumor antigens?
41.
1 point
What substance released by NK cells and cytotoxic T cells destroys the DNA of an infected cell?
42.
1 point
Autoimmune diseases include
43.
1 point
Which of the following is NOT an autoimmune disease?
44.
1 point
Abnormal T cell response results in delayed hypersensitivity with the secretion of
45.
1 point
In asthma, difficulty in breathing is caused, in part, by
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