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