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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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