Rouleaux Is a False-Positive Reaction Caused by Elevated Serum Protein

question 3

Multiple Choice

Rouleaux is a false-positive reaction caused by elevated serum protein levels.Which of the following tests would not likely be affected by an elevated protein level?

• A) Immediate-spin antibody screen
• B) Direct antiglobulin test
• C) Reverse typing in the ABO test
• D) ABO forward typing

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