A&P 2 test 2

Which is not an outcome of compliment activation?

a) promotion of localized vasodilation.
b) formation of a membrane-attack complex.
c) activation of kinins.
d) stimulation of interferon production.
e) stimulation of local mast cell activity.
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Terms in this set (374)
Interferon:

a) is not released from virus-infected cells.
b) triggers the production of viral-blocking enzymes by cells that have not yet been invaded by viruses.
c) directly breaks down viral messenger RNA and inhibits protein synthesis, both of which are essential for viral replication.
Plasma cells:

a) are not derived from B cells.
b) have an expanded rough endoplasmic reticulum.
c) do not secrete antibodies but remain dormant and expand the clone specific for the invading antigen.
d) are not derived from B cells and have an expanded rough endoplasmic reticulum.
Active immunity:

a) is self-generated upon exposure to antigen.
b) can be produced only as a result of a person actually having the disease.
c) involves administration of preformed antibodies.
d) is shorter in duration than passive immunity.
e) is acquired in the newborn as a result of the transfer of antibodies across the pla-centa during intrauterine development.
Which of the following is not a possible cause of autoimmune disease?

a) reduction in suppressor T cell activity.
b) prolonged treatment with anti-inflammatory drugs.
c) exposure of normally inaccessible self-antigens.
d) modification of normal self-antigens.
e) exposure of the immune system to a foreign antigen almost identical structurally to a self-antigen.