Match the Cause of a False-Negative Agglutination Reaction with the Appropriate

question 33

Multiple Choice

Match the cause of a false-negative agglutination reaction with the appropriate corrective measure.
-Anti-human globulin (AHG) malfunction

• A)Dilute patient's serum and retest.
• B)Wash cells according to directions; use positive and negative quality control (Q
• C) steps.
• C)Repeat blood specimen should be collected a week or more later.
• D)Calibrate centrifuge to proper speed and time.

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