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Questions and Answers
Who discovered the ABO blood types?
Who discovered the ABO blood types?
- Gregor Mendel
- Louis Pasteur
- Karl Landsteiner (correct)
- Alexander Fleming
What is the ABO blood group system used to denote?
What is the ABO blood group system used to denote?
- Number of platelets in the blood
- Presence of A and B antigens on erythrocytes (correct)
- Blood pressure levels in the body
- Presence of Rh factor in the blood
How many blood type (or group) classification systems are recognized by the International Society of Blood Transfusions (ISBT)?
How many blood type (or group) classification systems are recognized by the International Society of Blood Transfusions (ISBT)?
- 44 (correct)
- 30
- 12
- 60
What type of antibodies are the associated anti-A and anti-B antibodies?
What type of antibodies are the associated anti-A and anti-B antibodies?
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What adverse reaction can a mismatch in ABO blood types cause?
What adverse reaction can a mismatch in ABO blood types cause?
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Study Notes
Blood Types and ABO System
- Karl Landsteiner discovered the ABO blood types in 1901.
- The ABO blood group system is used to denote the presence or absence of A and B antigens on the surface of red blood cells.
- The International Society of Blood Transfusions (ISBT) recognizes 38 blood type (or group) classification systems.
Antibodies and ABO Incompatibility
- The associated anti-A and anti-B antibodies are naturally occurring IgM antibodies.
- A mismatch in ABO blood types can cause a hemolytic reaction, an adverse reaction that can lead to a severe, even life-threatening, transfusion reaction.
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