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