Antigen Antibody Reaction – Section 1

11. Fluorescent treponemal antibody test is an example of

A. indirect immunofluorescence
B. direct immunofluorescence
C. both (a) and (b)
D. none of these

Correct Answer: A. indirect immunofluorescence
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12. Counter-immunoelectrophoresis is used for the detection of

A. Meningococcal antigen
B. Hepatitis B surface antigen
C. Alpha-fetoprotein
D. All of these

Correct Answer: D. All of these
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13. The test (s) based on the principle of toxin neutralization is/are

A. Nagler’s reaction
B. Schick test
C. both (a) and (b)
D. none of these

Correct Answer: C. both (a) and (b)
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14. Slide agglutination reaction is/are useful for the identification of the culture(s) of

A. Shigella
B. Vibrio cholerae
C. Salmonella
D. All of these

Correct Answer: D. All of these
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15. Amount of various immunoglobulin classes can be measured by

A. double diffusion in one dimension
B. single diffusion in two dimensions
C. single diffusion in one dimension
D. double diffusion in two dimensions

Correct Answer: B. single diffusion in two dimensions
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