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- Question
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
- Correct Answer
- all of the above
- 1. 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
- 2. 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
- 3. Cytotoxic T-cells can be recognized by which of the following cell surface marker?
Options- A. CD4
- B. CD7
- C. CD8
- D. CD9 Discuss
- 4. Which of the following statements is false regarding B cells?
Options- A. B cells can undergo class switching and produce a different antibody type
- B. B one marrow stem cells migrate to the thymus and develop into B cells
- C. B cells synthesize antibodies and put them on their cell surface
- D. B cells that recognize high concentrations of antigens (self) in the absence of other signals undergo apoptosis in the bone marrow Discuss
- 5. Chemically an antigen may be
Options- A. lipid
- B. protein
- C. polysaccharide
- D. any of these Discuss
- 6. 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
- 7. Precipitation reaction is relatively less sensitive for the detection of
Options- A. antigens
- B. antigen-antibody complexes
- C. antibodies
- D. complement Discuss
- 8. VDRL test is an example of
Options- A. Tube test
- B. Ring test
- C. Slide test
- D. none of these Discuss
- 9. 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
- 10. Agglutination reaction is more sensitive than precipitation for the detection of
Options- A. antigens
- B. antibodies
- C. complement
- D. antigen-antibody complexes Discuss
Antigen Antibody Reaction problems
Search Results
Correct Answer: All of these
Correct Answer: All of these
Correct Answer: CD8
Correct Answer: B one marrow stem cells migrate to the thymus and develop into B cells
Correct Answer: any of these
Correct Answer: Antigens and antibodies are in optimal proportion
Correct Answer: antibodies
Correct Answer: Slide test
Correct Answer: rickettsial antigens and antigens of certain strains of Proteus
Correct Answer: antigens
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