Anti Bodies

Question: Papain digest IgG into
[A].

two Fab fragments and one Fc fragment

[B].

three Fab fragments and two Fc fragments

[C].

two Fab fragments and two Fc fragments

[D].

three Fab fragments and three Fc fragments

Answer: Option A

Explanation:

No answer description available for this question.

Question: Which of those immunoglobulin classes is mainly found in external secretions?
[A].

Ig A

[B].

Ig D

[C].

Ig M

[D].

IgE

Answer: Option A

Explanation:

No answer description available for this question.

Question: The human IgG class of antibodies is divided into
[A].

five IgG classes

[B].

two IgG classes

[C].

three IgG classes

[D].

four IgG classes

Answer: Option D

Explanation:

No answer description available for this question.

Question: Fab fragment has
[A].

one antigen binding site

[B].

two antigen binding site

[C].

one antibody binding site

[D].

two antibody binding site

Answer: Option A

Explanation:

No answer description available for this question.

Question: Each IgA antibody molecule consists of
[A].

four polypeptide chain and has two antigen binding site

[B].

two polypeptide chain and has one antigen binding site

[C].

three polypeptide chain and has two antigen binding site

[D].

two polypeptide chain and has two antigen binding site

Answer: Option A

Explanation:

No answer description available for this question.

Question: Which of the following are responsible for immune specificity?
[A].

Antigens

[B].

Antibodies

[C].

T lymphocytes

[D].

Macrophage

Answer: Option B

Explanation:

No answer description available for this question.

Question: Alum is an effective adjuvant because it
[A].

disaggregates the antigen.

[B].

is immunogenic for stem cells

[C].

is immunogenic for T cells

[D].

slows the release of antigen

Answer: Option C

Explanation:

No answer description available for this question.

Question: β-Lymphocytes are often called simply
[A].

B cells

[B].

T cells

[C].

T Lymphocytes

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: The humoral immune response relies on the production of soluble proteins called
[A].

antibodies

[B].

macromolecules

[C].

lymphocytes

[D].

none of these

Answer: Option A

Explanation:

No answer description available for this question.

Question: A polyclonal antibody response
[A].

is produced only in response to polymeric antigens

[B].

is produced by several B cells recognizing different pitopes on the same antigen

[C].

occurs during the lag phase of the immune response

[D].

violates clonal selection

Answer: Option B

Explanation:

No answer description available for this question.