Discussion
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- Question
Which of the following mediates Type I hypersensitivity reaction?
Options- A. IgE
- B. IgG
- C. IgM
- D. IgD
- Correct Answer
- IgE
- 1. Which is not a function of IgA?
Options- A. Protect mucosal surfaces
- B. Fix complement
- C. Protect eyes
- D. Agglutinate antigen Discuss
- 2. Which of the following theory of antibody production is most widely accepted?
Options- A. Side chain theory
- B. Clonal selection theory
- C. Direct template theory
- D. Indirect template theory Discuss
- 3. Antigen binding sites of an immunoglobulin are located in
Options- A. light chain alone
- B. heavy chain alone
- C. Fc region of the antibody
- D. Fab regions of the antibody Discuss
- 4. Self reactive antibodies are not found in significant concentration in normal serum because
Options- A. it is impossible to generate a self-reactive antibody
- B. self reactive B cells are killed by CD8 T cells
- C. B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide
- D. self reactive B cells switch to IgA which is all secreted and not present in serum Discuss
- 5. Which is not a function of IgG?
Options- A. Major antibody in serum
- B. First antibody type produced against an antigen during the primary antibody response
- C. Activates or fixes complement
- D. Involved in opsonization Discuss
- 6. The class of immunoglobulin, most abundant in body is
Options- A. IgD
- B. IgE
- C. IgG
- D. IgM Discuss
- 7. Anti-Rh antibodies are
Options- A. IgG type
- B. IgA type
- C. IgE type
- D. IgD type Discuss
- 8. Simulation of which of the following will lead to appearance of first antibody to appear following stimulation by an antigen?
Options- A. IgM
- B. IgA
- C. IgE
- D. IgG Discuss
- 9. Which of the following is the phylogenetically oldest immunoglobulin?
Options- A. IgE
- B. IgM
- C. IgG
- D. All are similar Discuss
- 10. The secretary component of sIgA is
Options- A. made by plasma cells that secrete dimeric IgA
- B. added to dimeric IgA by the M cell
- C. formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell
- D. made by T cells Discuss
Antibody problems
Search Results
Correct Answer: Fix complement
Correct Answer: Clonal selection theory
Correct Answer: Fab regions of the antibody
Correct Answer: B cells that are stimulated via their surface bound antibody in the absence of T cell help to commit suicide
Correct Answer: First antibody type produced against an antigen during the primary antibody response
Correct Answer: IgG
Correct Answer: IgG type
Correct Answer: IgM
Correct Answer: IgM
Correct Answer: formed by cleavage of an epithelial cell receptor used to transport the dimeric IgA across the epithelial cell
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