Rose-Waaler test is a?
A. Co-agglutination test
B. Latex agglutination test
C. Slide agglutination test
D. Haemagglutination test
Correct answer : D. Haemagglutination test
Rose-Waaler test is a passive haemagglutination test.
It is done in rheumatoid arthritis.
Autoantibody (RA factor) in the serum acts as antibody to gamma globulin.
RA factor can agglutinate red cells coated with globulins.
Ref: Ananthanarayan and Paniker’s Textbook of Microbiology, 9th edition, p110.