IMMUNE SYSTEM QUIZ

all of these

enteric fever

diphtheria

tuberculosis

They are antigens found in some members of a species

They are antigens found in all members of different species

They are antigens found in some members of different species

They are antigens found in all members of a species

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

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

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

Antibody proteins can physically change their shape to bind different epitopes

Both (a) and (b)

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

non-specific killing of virus transformed target cells

allograft rejection

all of these

tumour rejection

cytotoxic T cells

both (a) and (b)

none of these

suppresssor T cells

A cell surface protein

A protein bound to the endoplasmic reticulum (ER) membrane

A nuclear protein

A cytosolic protein

B cells

Monocytes

Granulocytes

T cells

T cells

monocytes

B cells

none of these

B one marrow stem cells migrate to the thymus and develop into B cells

B cells can undergo class switching and produce a different antibody type

B cells synthesize antibodies and put them on their cell surface

B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow