WINE AND BEER QUIZ

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 : ?

J chain is present in

IgE

Both (a) and (b)

IgM

IgA

TRUE ANSWER : ?
YOUR ANSWER : ?

The class of immunoglobulins which can cross the placenta is

IgM

IgG

IgD

IgA

TRUE ANSWER : ?
YOUR ANSWER : ?

Self reactive antibodies are not found in significant concentration in normal serum because

self reactive B cells are killed by CD8 T cells

B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide

it is impossible to generate a self-reactive antibody

self reactive B cells switch to IgA which is all secreted and not present in serum

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following theory of antibody production is most widely accepted?

Direct template theory

Side chain theory

Indirect template theory

Clonal selection theory

TRUE ANSWER : ?
YOUR ANSWER : ?

Which is not a function of IgG?

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

Activates or fixes complement

Major antibody in serum

Involved in opsonization

TRUE ANSWER : ?
YOUR ANSWER : ?

Anti-Rh antibodies are

IgE type

IgA type

IgG type

IgD type

TRUE ANSWER : ?
YOUR ANSWER : ?

The class of immunoglobulin, most abundant in body is

IgE

IgM

IgG

IgD

TRUE ANSWER : ?
YOUR ANSWER : ?

Heat-labile class of immunoglobulins include

IgE

IgG

IgA

IgM

TRUE ANSWER : ?
YOUR ANSWER : ?

Simulation of which of the following will lead to appearance of first antibody to appear following stimulation by an antigen?

IgM

IgE

IgA

IgG

TRUE ANSWER : ?
YOUR ANSWER : ?