Microbiology 020 - General Microbiology » Spring 2022 » Review Quiz 9

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Question #1
As we grow older, fewer B-cells & T-cells are produced by our immune response.
A.   False
B.   True
Question #2
Which event immediately follows the production of antibodies?
A.   fever
B.   antibody attaches to antigen
C.   inflammation
D.   destruction of antigens
Question #3
A weakened virus may provide us a/n ___________ immunity against its more virulent forms.
A.   active
B.   passive
Question #4
Antibodies are ___________________________________________.
A.   antigen-presenting cells
B.   large polysaccharides that provoke immune response in humans
C.   Y-shaped proteins produced as a response to exposure to pathogens
D.   precursors to memory cells
Question #5
Each & every B-cell & T-cell in our body is genetically identical to other B-cells & T-cells.
A.   True
B.   False
Question #6
Which is not a physical/mechanical barrier against infection?
A.   flushing effect of tears/urinating
B.   mucus in membranes
C.   skin epidermis
D.   interferons
Question #7
Having a thick __________________ allows some pathogens such as Streptococcus to escape being engulfed by phagocytes.
A.   capsule
B.   call wall
C.   plasma membrane
D.   spore
Question #8
During inflammation, which defense components are first to arrive at the site of infection to destroy antigens?
A.   macrophages
B.   monocytes
C.   neutrophils
Question #9
Which of these cells may act as an antigen-presenting cell (APC)?
A.   red blood cells
B.   neutrophils
C.   B & T cells
D.   macrophages & dendritic cells
Question #10
___________________ are signaling molecules produced by leukocytes & sent to other leukocytes.
A.   Cytokines
B.   Complement proteins
C.   Interferons
D.   Haptens

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