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