Common ABO Typing Discrepancies: Answer questions fully and include all steps in probable cause and resolution. Probable ABO Group (1 mark): Type of discrepancy (1 mark): Probable... Common ABO Typing Discrepancies: Answer questions fully and include all steps in probable cause and resolution. Probable ABO Group (1 mark): Type of discrepancy (1 mark): Probable Causes (2 marks): Resolution (2 marks):
Understand the Problem
The question asks for a systematic approach to analyzing ABO typing discrepancies, requiring the identification of the probable ABO group, the type of discrepancy, probable causes, and resolution steps based on given anti-sera results.
Answer
Probable ABO Group: O. Discrepancy: Negative reactions. Causes: Weak antigens/antibodies, errors. Resolution: Repeat test.
The probable ABO group is Group O due to the absence of reactions with Anti-A and Anti-B. The discrepancy type is unexpected negative reactions. Probable causes include weakly expressed antigens/antibodies, technical error, or sample issues. Resolution involves repeating the test and confirming sample accuracy.
Answer for screen readers
The probable ABO group is Group O due to the absence of reactions with Anti-A and Anti-B. The discrepancy type is unexpected negative reactions. Probable causes include weakly expressed antigens/antibodies, technical error, or sample issues. Resolution involves repeating the test and confirming sample accuracy.
More Information
ABO discrepancies can arise from weak or unexpected antigen-antibody reactions. Group O individuals may show no reactions due to the absence of A or B antigens.
Tips
Common mistakes include not checking for technical errors or sample misidentification.
Sources
- ABO Typing Discrepancies - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
- Resolution of ABO Discrepancies - ARUP Laboratories - arup.utah.edu
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