ABO ADVANCED FORMULAS CERTIFICATION SCRIPT
Questions with Correct Answers (Grade A+)
Question 1: Who discovered the ABO blood groups?
Answer: Karl Landsteiner in 1901
Question 2: What is the most important blood group system?
Answer: The ABO system
Question 3: What happens if a patient receives the wrong blood type?
Answer: It can cause immediate hemolysis of the recipient's cells.
Question 4: What antibodies does blood type A produce?
Answer: Anti-B antibodies
Question 5: causes of missing/weak AG.
Answer: -weak A or B subgroup-loss of transferase (acute leukemia)-massive transfusion of grp O
blood-bone marrow transplant
Question 6: What antibodies does blood type B produce?
Answer: Anti-A antibodies
Question 7: missing/weak AG resolution step 1.
Answer: incubate front type at RT or lower for at least 15 min
Question 8: What antibodies does blood type O produce?
Answer: Anti-A and Anti-B antibodies
Question 9: What antibodies does blood type AB produce?
Answer: No antibodies against A or B antigens
Question 10: missing/weak AG resolution step 2.
Answer: use anti-A,B
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, Question 11: missing/weak AG resolution step 3.
Answer: obtain recent transfusion history and/or bone marrow transplant history
Question 12: What is the universal donor blood type?
Answer: Type O
Question 13: What is the universal recipient blood type?
Answer: Type AB
Question 14: missing/weak AG resolution step 4.
Answer: specialized tests like adsorption/elution techniques or secretor studies
Question 15: What are the two types of blood grouping methods?
Answer: Forward grouping and reverse grouping
Question 16: causes of missing/weak ABs.
Answer: -age (elderly or newborn)-immune def-bone marrow transplant-chemo or radiation
Question 17: missing/weak AB resolution step 1.
Answer: add more serum (4 drops total)
Question 18: What is forward grouping?
Answer: Detection of A & B antigens on red cells using known antibodies.
Question 19: missing/weak AB resolution step 2.
Answer: incubate longer at RT (15-60 min)
Question 20: missing/weak AB resolution step 3.
Answer: test at colder temps
Question 21: missing/weak AB resolution step 4.
Answer: start with dry cell button for commercial cells if serum is limited
Question 22: causes of extra AGs.
Answer: -acquired B-B subgroup-cold agglutinin
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Questions with Correct Answers (Grade A+)
Question 1: Who discovered the ABO blood groups?
Answer: Karl Landsteiner in 1901
Question 2: What is the most important blood group system?
Answer: The ABO system
Question 3: What happens if a patient receives the wrong blood type?
Answer: It can cause immediate hemolysis of the recipient's cells.
Question 4: What antibodies does blood type A produce?
Answer: Anti-B antibodies
Question 5: causes of missing/weak AG.
Answer: -weak A or B subgroup-loss of transferase (acute leukemia)-massive transfusion of grp O
blood-bone marrow transplant
Question 6: What antibodies does blood type B produce?
Answer: Anti-A antibodies
Question 7: missing/weak AG resolution step 1.
Answer: incubate front type at RT or lower for at least 15 min
Question 8: What antibodies does blood type O produce?
Answer: Anti-A and Anti-B antibodies
Question 9: What antibodies does blood type AB produce?
Answer: No antibodies against A or B antigens
Question 10: missing/weak AG resolution step 2.
Answer: use anti-A,B
Page 1
, Question 11: missing/weak AG resolution step 3.
Answer: obtain recent transfusion history and/or bone marrow transplant history
Question 12: What is the universal donor blood type?
Answer: Type O
Question 13: What is the universal recipient blood type?
Answer: Type AB
Question 14: missing/weak AG resolution step 4.
Answer: specialized tests like adsorption/elution techniques or secretor studies
Question 15: What are the two types of blood grouping methods?
Answer: Forward grouping and reverse grouping
Question 16: causes of missing/weak ABs.
Answer: -age (elderly or newborn)-immune def-bone marrow transplant-chemo or radiation
Question 17: missing/weak AB resolution step 1.
Answer: add more serum (4 drops total)
Question 18: What is forward grouping?
Answer: Detection of A & B antigens on red cells using known antibodies.
Question 19: missing/weak AB resolution step 2.
Answer: incubate longer at RT (15-60 min)
Question 20: missing/weak AB resolution step 3.
Answer: test at colder temps
Question 21: missing/weak AB resolution step 4.
Answer: start with dry cell button for commercial cells if serum is limited
Question 22: causes of extra AGs.
Answer: -acquired B-B subgroup-cold agglutinin
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