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Questions and Answers
What triggers an immune response causing agglutination after an infusion of incompatible blood?
What triggers an immune response causing agglutination after an infusion of incompatible blood?
- Absence of A and B antigens
- Preformed antibodies without prior exposure
- Presence of A and B antigens
- Foreign antigens on erythrocytes (correct)
Which blood type has both A and B antigens?
Which blood type has both A and B antigens?
- B
- O
- AB (correct)
- A
What antibodies does type A blood have?
What antibodies does type A blood have?
- Anti-A antibodies
- No antibodies
- Both A and B antigens
- Anti-B antibodies (correct)
How many erythrocyte antigens exist?
How many erythrocyte antigens exist?
What is the significance of the Rh blood group?
What is the significance of the Rh blood group?
Flashcards
Cause of Agglutination
Cause of Agglutination
Foreign antigens on erythrocytes trigger an immune response, causing agglutination after an infusion of incompatible blood.
AB Blood Type Antigens
AB Blood Type Antigens
AB blood type has both A and B antigens on the surface of its red blood cells.
Type A Blood Antibodies
Type A Blood Antibodies
Type A blood has anti-B antibodies in its plasma, which will attack type B antigens.
Number of Erythrocyte Antigens
Number of Erythrocyte Antigens
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Rh Blood Group Significance
Rh Blood Group Significance
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Study Notes
Blood Types and Immune Response
- Incompatible blood transfusion triggers an immune response causing agglutination.
Blood Type Characteristics
- Blood type AB has both A and B antigens.
Antibodies in Blood Types
- Type A blood has antibodies against B antigens.
Erythrocyte Antigens
- There are numerous erythrocyte antigens, but only a few are clinically significant.
Rh Blood Group Significance
- The Rh blood group is crucial because it can cause a severe reaction, even anemia in newborns, if an Rh-negative mother is sensitized by an Rh-positive fetus.
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