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.
antigen
B.
pyrogen
C.
interferon
D.
interleukin
E.
complement
Question #2
Which statement below is characteristic of a secondary immune response?
A.
It triggers fever.
B.
It occurs much more rapidly than a primary response.
C.
It occurs only in the spleen.
D.
It results in less memory cell circulation.
E.
It results in less antibody secretion.
Question #3
A "non-self" protein that can provoke an immune response is called a(n) __________.
A.
colony-stimulating factor
B.
antigen
C.
immunoglobulin
D.
interferon
E.
antibody
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.
basophils
C.
natural killer cells
D.
plasma cells
E.
macrophages
Question #6
Complement proteins work by __________.
A.
producing antibodies
B.
creating an impermeable barrier
C.
neutralization of antigens
D.
phagocytosis of target cells
E.
punching holes or pores in the membranes of target cells
Question #7
Which part of immunity would saliva and mucous be a part of?
A.
intrinsic
B.
innate
C.
adaptive
D.
chemical barrier
Question #8
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 mobilize natural killer cells
D.
they interfere with viral replication in affected cells
Question #9
Active artificially acquired immunity is a result of __________.
A.
contact with a pathogen
B.
vaccination
C.
antibodies passed on from mother to fetus through the placenta.
D.
antibodies passed on from mother to baby through breast milk.
E.
injection of an immune serum.
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 releases cytokines
B.
it mutates
C.
it commits intrinsic apoptosis
D.
it cell divides
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