ABO FINAL PAPER Questions with Correct Answers (Grade A+)
Question 1: the first blood group discovered
Answer: abo blood system
Question 2: landsteiners rule
Answer: if abo antigen present=corresponding antibody will be present and visa-versa group A groupB
groupAB groupO A B AB O anti-B anti-A none anti-A/-B A-antigen B-antigen A/B antigen none
Question 3: when do antibodies start to form..?
Answer: 4-6 months after birth peak @ 5-10yrs
Question 4: abo blood system is most significant when it comes to what..?
Answer: transfusions
Question 5: most serious transfusion reactions are due to what...?
Answer: incompatibility involving the abo blood system
Question 6: abo reagent colors (anti-a/-b/-A1
Answer: ANTI-A: BLUE ANTI-B:YELLOW ANTI-A1/H: COLORLESS, USED TO SOLVE ABO
DISCREPANCIES.
Question 7: abo grouping
Answer: inverse reciprocal relationship between forward and reverse they check each other
Question 8: forward grouping
Answer:
1. indiv. abo antigen using antisera
2. no agglut: neg./antigen absent
3. agglut: postivite/ antigen present
Question 9: reverse grouping
Answer: presence/absence of individuals abo antibodies using rbc 2-4% cell suspension
Question 10: what is the most common/rarest blood type
Answer: common: o and a rarest: ab
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Question 1: the first blood group discovered
Answer: abo blood system
Question 2: landsteiners rule
Answer: if abo antigen present=corresponding antibody will be present and visa-versa group A groupB
groupAB groupO A B AB O anti-B anti-A none anti-A/-B A-antigen B-antigen A/B antigen none
Question 3: when do antibodies start to form..?
Answer: 4-6 months after birth peak @ 5-10yrs
Question 4: abo blood system is most significant when it comes to what..?
Answer: transfusions
Question 5: most serious transfusion reactions are due to what...?
Answer: incompatibility involving the abo blood system
Question 6: abo reagent colors (anti-a/-b/-A1
Answer: ANTI-A: BLUE ANTI-B:YELLOW ANTI-A1/H: COLORLESS, USED TO SOLVE ABO
DISCREPANCIES.
Question 7: abo grouping
Answer: inverse reciprocal relationship between forward and reverse they check each other
Question 8: forward grouping
Answer:
1. indiv. abo antigen using antisera
2. no agglut: neg./antigen absent
3. agglut: postivite/ antigen present
Question 9: reverse grouping
Answer: presence/absence of individuals abo antibodies using rbc 2-4% cell suspension
Question 10: what is the most common/rarest blood type
Answer: common: o and a rarest: ab
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