Cytotoxic T lymphocytes are distinguished from other lymphocytes by the presence of
A) CD8.
B) CD4.
C) CD19.
D) all of the choices
Correct Answer:
Verified
Q3: The transfer of antibodies in breast milk
Q7: Class I and II MHC molecules
A)consists of
Q12: T cells attack
A)host cells that have been
Q13: A vaccination is a good example of
A)naturally
Q14: The immune system normally discriminates between _
Q15: The humoral immune response defends against
A)bacteria.
B)bacterial toxins.
C)viruses.
D)all
Q15: Each antigen has one antigenic determinant site
Q17: Adaptive immunity refers to the type of
Q18: Which of the following mediates inflammation by
Q31: Cytotoxic T cells destroy target cells by
A)direct
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