ABO Blood Group Review Exam
QUESTIONS AND CORRECT ANSWERS
Who discovered the A, B, and O blood groups in 1901? - CORRECT ANSWER Karl
Landsteiner.
What is testing patient red blood cells with known antisera called? - CORRECT ANSWER
Forward typing (front typing).
What is another name for forward typing? - CORRECT ANSWER Front typing.
What is found in antisera? - CORRECT ANSWER Known antibodies.
What is testing patient plasma with A1 and B cells called? - CORRECT ANSWER Reverse
typing (back typing).
What is another name for reverse typing? - CORRECT ANSWER Back typing.
Interpret: Anti-A +, Anti-B 0, A cells 0, B cells + - CORRECT ANSWER Group A.
Interpret: Anti-A 0, Anti-B +, A cells +, B cells 0 - CORRECT ANSWER Group B.
Interpret: Anti-A 0, Anti-B 0, A cells +, B cells + - CORRECT ANSWER Group O.
Interpret: Anti-A +, Anti-B +, A cells 0, B cells 0 - CORRECT ANSWER Group AB.
Would a healthy 23-year-old with a 1+ forward typing reaction be normal? - CORRECT ANSWER
No.
Why would a weak 1+ ABO forward typing reaction in a healthy adult be suspicious? - CORRECT
ANSWER ABO antigens should typically react strongly.
QUESTIONS AND CORRECT ANSWERS
Who discovered the A, B, and O blood groups in 1901? - CORRECT ANSWER Karl
Landsteiner.
What is testing patient red blood cells with known antisera called? - CORRECT ANSWER
Forward typing (front typing).
What is another name for forward typing? - CORRECT ANSWER Front typing.
What is found in antisera? - CORRECT ANSWER Known antibodies.
What is testing patient plasma with A1 and B cells called? - CORRECT ANSWER Reverse
typing (back typing).
What is another name for reverse typing? - CORRECT ANSWER Back typing.
Interpret: Anti-A +, Anti-B 0, A cells 0, B cells + - CORRECT ANSWER Group A.
Interpret: Anti-A 0, Anti-B +, A cells +, B cells 0 - CORRECT ANSWER Group B.
Interpret: Anti-A 0, Anti-B 0, A cells +, B cells + - CORRECT ANSWER Group O.
Interpret: Anti-A +, Anti-B +, A cells 0, B cells 0 - CORRECT ANSWER Group AB.
Would a healthy 23-year-old with a 1+ forward typing reaction be normal? - CORRECT ANSWER
No.
Why would a weak 1+ ABO forward typing reaction in a healthy adult be suspicious? - CORRECT
ANSWER ABO antigens should typically react strongly.
