During the AHG phase of an antibody screen test,before adding AHG reagent to the test tubes,what should the red blood cells be washed with?

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Before adding AHG reagent to the test tubes, the red blood cells should be washed with saline. This is because saline is an isotonic solution and will help to remove any unbound antibodies or proteins that could interfere with the test results. Distilled water, iodine, and soap are not appropriate for washing red blood cells in this context.

During the AHG Phase of an Antibody Screen Test,before Adding