Immunology

What triggers the production of

antibodies

• an antigen

• an antibody

• phagocytes

Epitope is

• antigen carrier molecule

• antigen determinant site

Antibody structure is commonly

• Z shaped

• Y shaped

• W shaped

• T shaped

Antibody structure contains

• One heavy and one light polypeptide chain

• One heavy and two light polypeptide chain

• Two heavy and one light polypeptide chain

• Two identical heavy and two light polypeptide chain

Types of immunoglobulins are

• IgA, IgM, IgG, IgE and IgD

• IgA and IgM only

• IgD and IgG only

• IgA only

Ig___

· In secretions—tears, saliva, BREASTMILK etc.

· Provides local protection

• IgG

• IgA

• IgM

• IgD

Ig__

· Major antibody in the circulation

· Can cross the placenta

• IgG

• igA

• IgM

• IgD

Ig__

· Largest of the immunoglobulins

· Provides first activity in an immune response

• igG

• IgA

• IgM

• IgD

Ig___

· Surface of B cells

· Plays role in B-cell activation

• IgA

• IgM

• IgD

• IgE

Ig___

· Implicated in allergic reactions

• IgA

• IgD

• IgE

• IgG