Bio 2010 - Microbiology » Spring 2023 » Chapter 15 Quiz

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

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