In an Immunodiffusion Test to Diagnose Histoplasmosis,a Patient's Serum Is

question 28

Multiple Choice

In an immunodiffusion test to diagnose histoplasmosis,a patient's serum is placed in a well in an agar plate.In a positive test,a line forms as the serum diffuses from the well and meets material diffusing from a second well.What type of test is this?

• A)an agglutination reaction
• B)a precipitation reaction
• C)a complement-fixation test
• D)an indirect ELISA test
• E)a direct ELISA test

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Definitions:

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