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

Question

Quizplus · Accepted Answer

Rouleaux are caused by an elevated protein level or IV solutions and cause cells to appear agglutinated.A procedure involving washing,such as the direct or indirect antiglobulin test,would not be affected by this because saline would eliminate the excess proteins.

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