IMMUNE SYSTEM QUIZ

suppresssor T cells

none of these

cytotoxic T cells

both (a) and (b)

polysaccharide

protein

any of these

lipid

Antibody proteins can physically change their shape to bind different epitopes

By rearrangements of the DNA encoding the variable regions of the heavy and light chains

Both (a) and (b)

By the combination of different heavy and light chains that form the antigen binding site

CD8 T cells only recognize virus-infected cells

In the thymus, CD8 T cells undergo positive selection only, whereas CD4 T cells undergo negative selection only

CD8 T cell receptor recognizes epitopes that are also commonly recognized by B cells

CD8 T cells can kill individual virus-infected cells in a contact dependent fashion

HLA

actin

interleukin

CD8

All of these

Size of the antigen

Foreignness

Chemical nature

influenza

diphtheria

mumps

whooping cough

tuberculosis

all of these

diphtheria

enteric fever

can be attracted to the site of an infection following activation of complement

are a type of phagocyte that can engulf and kill bacteria

All of these

are derived from bone marrow stem cells

CD8

CD4

CD9

CD7