The Clumping of Test Red Blood Cells Indicates a Negative

question 52

Multiple Choice

The clumping of test red blood cells indicates a negative test result (no antibodies against the virus in the patientʹs serum) in the

• A) precipitation test.
• B) indirect agglutination test.
• C) direct agglutination test.
• D) viral hemagglutination inhibition test.
• E) complement-fixation test.