Antigen Antibody Reaction problems
- 1. Slide agglutination reaction is/are useful for the identification of the culture(s) of
Options- A. Shigella
- B. Vibrio cholerae
- C. Salmonella
- D. All of these Discuss
Correct Answer: All of these
- 2. Counter-immunoelectrophoresis is used for the detection of
Options- A. Meningococcal antigen
- B. Hepatitis B surface antigen
- C. Alpha-fetoprotein
- D. All of these Discuss
Correct Answer: All of these
- 3. Ring test is used for
Options- A. C-reactive protein test
- B. Ascoli's thermoprecipitation test
- C. typing of streptococci and pneumococci
- D. all of the above Discuss
Correct Answer: all of the above
- 4. In which of the following case a large lattice is formed?
Options- A. Antibody is in excess
- B. Antigens and antibodies are in optimal proportion
- C. Antigen is in excess
- D. None of these Discuss
Correct Answer: Antigens and antibodies are in optimal proportion
- 5. Precipitation reaction is relatively less sensitive for the detection of
Options- A. antigens
- B. antigen-antibody complexes
- C. antibodies
- D. complement Discuss
Correct Answer: antibodies
- 6. VDRL test is an example of
Options- A. Tube test
- B. Ring test
- C. Slide test
- D. none of these Discuss
Correct Answer: Slide test
- 7. Weil-Felix reaction is based on sharing of antigens between
Options- A. sheep RBCs and EB virus
- B. mycoplasma and human O group RBCs
- C. rickettsial antigens and antigens of certain strains of Proteus
- D. none of these Discuss
Correct Answer: rickettsial antigens and antigens of certain strains of Proteus
- 8. Agglutination reaction is more sensitive than precipitation for the detection of
Options- A. antigens
- B. antibodies
- C. complement
- D. antigen-antibody complexes Discuss
Correct Answer: antigens
- 9. Precipitation reaction can be converted into agglutination reaction by coating soluble antigen onto
Options- A. bentonite particles
- B. RBCs
- C. latex particles
- D. all of these Discuss
Correct Answer: all of these
- 10. Monoclonal antibody production requires
Options- A. mouse splenic lymphocytes
- B. mouse myeloma cells
- C. both (a) and (b)
- D. none of these Discuss
Correct Answer: both (a) and (b)
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