Bio 2010 - Microbiology » Summer 2021 » Chapter 15 Quiz (A)
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Question #1
Complement proteins work by __________.
A.
neutralization of antigens
B.
producing antibodies
C.
creating an impermeable barrier
D.
phagocytosis of target cells
E.
punching holes or pores in the membranes of target cells
Question #2
Which part of immunity would saliva and mucous be a part of?
A.
adaptive
B.
chemical barrier
C.
intrinsic
D.
innate
Question #3
Which statement below is characteristic of a secondary immune response?
A.
It occurs much more rapidly than a primary response.
B.
It triggers fever.
C.
It results in less antibody secretion.
D.
It results in less memory cell circulation.
E.
It occurs only in the spleen.
Question #4
Which nonspecific defense cells specialize in attacking cancer cells and virus-infected cells?
A.
plasma cells
B.
natural killer cells
C.
macrophages
D.
helper T lymphocytes
E.
basophils
Question #5
All of the following are functions of interferons, EXCEPT that __________.
A.
they are not virus-specific
B.
they mobilize natural killer cells
C.
they target and activate T-killer cells.
D.
they interfere with viral replication in affected cells
Question #6
A "non-self" protein that can provoke an immune response is called a(n) __________.
A.
colony-stimulating factor
B.
antigen
C.
interferon
D.
immunoglobulin
E.
antibody
Question #7
Which of the following cells would NOT be present at the FIRST encounter with a pathogen that happened to bypass one of our chemical or physical barriers?
A.
natural killer cells
B.
macrophages
C.
T-killer cells
D.
neutrophils
Question #8
Active artificially acquired immunity is a result of __________.
A.
contact with a pathogen
B.
antibodies passed on from mother to fetus through the placenta.
C.
antibodies passed on from mother to baby through breast milk.
D.
injection of an immune serum.
E.
vaccination
Question #9
We discussed Pathogen Associated Molecular Patterns (PAMPS) and their relationship with pattern recognition receptors (PRRs). How does the immune cell respond to activation of its pattern recognition receptors?
A.
it mutates
B.
it releases cytokines
C.
it commits intrinsic apoptosis
D.
it cell divides
Question #10
Which type of molecule is produced by virus-infected cells to communicate to noninfected cells the presence of a virus?
A.
complement
B.
interferon
C.
pyrogen
D.
antigen
E.
interleukin
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