IMMUNE SYSTEM QUIZ

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

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

polysaccharide

protein

any of these

lipid

cytotoxic T cells

none of these

both (a) and (b)

suppresssor T cells

induce apoptosis in virus-infected small intestinal epithelia cells

pass bacteria or virus to underlying macrophages for processing and presentation of antigen

trap virus in mucus and prevent entry

they use their cilia to propel mucus out of the small intestine

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

Antibody proteins can physically change their shape to bind different epitopes

influenza

whooping cough

diphtheria

mumps

monocytes

eosinophils

basophils

neutrophils

allograft rejection

tumour rejection

non-specific killing of virus transformed target cells

all of these

A cell surface protein

A nuclear protein

A cytosolic protein

A protein bound to the endoplasmic reticulum (ER) membrane

All of these

Chemical nature

Foreignness

Size of the antigen