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