VERBAL CLASSIFICATION QUIZ

The secretary component of sIgA is

made by T cells

formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell

added to dimeric IgA by the M cell

made by plasma cells that secrete dimeric IgA

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not a function of IgA?

Protect mucosal surfaces

Agglutinate antigen

Protect eyes

Fix complement

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not a function of IgG?

Activates or fixes complement

Major antibody in serum

Involved in opsonization

First antibody type produced against an antigen during the primary antibody response

TRUE ANSWER : ?
YOUR ANSWER : ?

Antigen binding sites of an immunoglobulin are located in

light chain alone

heavy chain alone

Fc region of the antibody

Fab regions of the antibody

TRUE ANSWER : ?
YOUR ANSWER : ?

The class of immunoglobulins which can cross the placenta is

IgG

IgD

IgM

IgA

TRUE ANSWER : ?
YOUR ANSWER : ?

J chain is present in

IgA

IgM

Both (a) and (b)

IgE

TRUE ANSWER : ?
YOUR ANSWER : ?

The class of immunoglobulin, most abundant in body is

IgD

IgE

IgG

IgM

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following mediates Type I hypersensitivity reaction?

IgG

IgM

IgE

IgD

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following (s) is/are function (s) of Fc fragment of IgG?

It binds complement

All of these

It determines catabolic rate

It is related to passage of IgG across the placental barrier

TRUE ANSWER : ?
YOUR ANSWER : ?

Heat-labile class of immunoglobulins include

IgG

IgA

IgM

IgE

TRUE ANSWER : ?
YOUR ANSWER : ?

↑