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True or False Quiz
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1
The response time for specific immunity results in no noticeable pathogenesis.
A)True
B)False
2
The reaction time for nonspecific defenses is just as long for a later exposure as it was for the initial one.
A)True
B)False
3
T-cells tag or mark bacteria, toxins, and viruses for destruction.
A)True
B)False
4
Penicillin by itself is a hapten and is not antigenic.
A)True
B)False
5
Most human antibodies have more than one combining site and are trivalent.
A)True
B)False
6
IgG is the only immunoglobulin molecule able to cross the placenta and provide natural immunity immunity in utero and to the neonate at birth.
A)True
B)False
7
MHC class I molecules are made by all cells of the body.
A)True
B)False
8
The total mature B-cell population of each individual carries B-cell antigen receptors (BCRs) specific for many antigens; however, each mature B-cell possesses BCRs specific only for a particular antigenic determinant.
A)True
B)False





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