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.   inflammation
B.   destruction of antigens
C.   fever
D.   antibody attaches to antigen
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.   precursors to memory cells
B.   antigen-presenting cells
C.   Y-shaped proteins produced as a response to exposure to pathogens
D.   large polysaccharides that provoke immune response in humans
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.   skin epidermis
B.   mucus in membranes
C.   flushing effect of tears/urinating
D.   interferons
Question #7
Having a thick __________________ allows some pathogens such as Streptococcus to escape being engulfed by phagocytes.
A.   spore
B.   capsule
C.   plasma membrane
D.   call wall
Question #8
During inflammation, which defense components are first to arrive at the site of infection to destroy antigens?
A.   monocytes
B.   neutrophils
C.   macrophages
Question #9
Which of these cells may act as an antigen-presenting cell (APC)?
A.   B & T cells
B.   red blood cells
C.   macrophages & dendritic cells
D.   neutrophils
Question #10
___________________ are signaling molecules produced by leukocytes & sent to other leukocytes.
A.   Haptens
B.   Complement proteins
C.   Interferons
D.   Cytokines

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