Modern Blood Banking Study Set 1

Medicine

Quiz 10 :
Detection and Identification of Antibodies

Quiz 10 :
Detection and Identification of Antibodies

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Which of the following statements concerning acid eluates is false?
Free
Multiple Choice
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Answer:

C

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What screening cells are used primarily for testing donor units for unexpected antibodies?
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Multiple Choice
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Answer:

A

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When performing the elution procedure, the solution containing the recovered antibody is called:
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Multiple Choice
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Answer:

C

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What is the purpose of Coombs' control cells?
Multiple Choice
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In what test might rouleaux cause an interference?
Multiple Choice
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What is an elution?
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A patient with a warm autoantibody has a positive DAT. The antibody screen was negative, but the eluate reacted uniformly with all normal cells and patient cells. Why was the antibody screen negative?
Multiple Choice
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The process of removing antibody from serum by combining a serum sample with appropriate red blood cells under optimal conditions is called:
Multiple Choice
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How does LISS enhance antibody detection in the antibody screen?
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Which cells are employed to remove autoantibody from patient serum without removing any alloantibody from serum?
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What would be a realistic source of finding compatible units for a person with an antibody to a high-frequency antigen?
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Why is it important to match the lot number on the panel sheet with the lot number on the panel cells?
Multiple Choice
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Which of the following high-frequency antigens do not cause in vivo red blood cell destruction when complexed with corresponding antibody?
Multiple Choice
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A person has developed an antibody to the LISS reagent. What test will not be affected by this circumstance?
Multiple Choice
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Which of the following statements is correct concerning cold antibody screens?
Multiple Choice
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Routine pretransfusion testing consists of all of the following except:
Multiple Choice
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A positive autocontrol in antibody detection procedures is usually indicative of:
Multiple Choice
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In interpreting an antibody screen, which of the following questions might be asked to decipher the class of antibody?
Multiple Choice
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Why is an enzyme treatment used in antibody identification?
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Which of the following is a mechanism of an elution procedure?
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