Bio 2010 - Microbiology » Summer 2021 » Chapter 15 Quiz (A)

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Question #1
Complement proteins work by __________.
A.   neutralization of antigens
B.   punching holes or pores in the membranes of target cells
C.   phagocytosis of target cells
D.   creating an impermeable barrier
E.   producing antibodies
Question #2
Which part of immunity would saliva and mucous be a part of?
A.   innate
B.   intrinsic
C.   chemical barrier
D.   adaptive
Question #3
Which statement below is characteristic of a secondary immune response?
A.   It triggers fever.
B.   It results in less antibody secretion.
C.   It results in less memory cell circulation.
D.   It occurs much more rapidly than a primary response.
E.   It occurs only in the spleen.
Question #4
Which nonspecific defense cells specialize in attacking cancer cells and virus-infected cells?
A.   plasma cells
B.   natural killer cells
C.   helper T lymphocytes
D.   basophils
E.   macrophages
Question #5
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 #6
A "non-self" protein that can provoke an immune response is called a(n) __________.
A.   colony-stimulating factor
B.   immunoglobulin
C.   antibody
D.   interferon
E.   antigen
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.   neutrophils
B.   T-killer cells
C.   natural killer cells
D.   macrophages
Question #8
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.   contact with a pathogen
E.   antibodies passed on from mother to baby through breast milk.
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 releases cytokines
D.   it mutates
Question #10
Which type of molecule is produced by virus-infected cells to communicate to noninfected cells the presence of a virus?
A.   antigen
B.   interleukin
C.   interferon
D.   pyrogen
E.   complement

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