Joni is learning about blood types in class. She is interested in more information on how people can have different blood types. Discuss the four blood groups or blood types
a. How are they determined?
b. How are they identified?
c. Are they compatible? If so, which ones? Who is the universal donor? The universal recipient?
d. What is the Rh factor, and what does it do?
e. How is compatibility determined in blood transfusions?
Students' answers should include the following:
• Four blood types
a. Blood types are hereditary.
b. Types are identified by antigens or proteins located on the red cell membrane.
c. Type O is the universal donor, which can be given to other blood types.
Type AB is the universal recipient and can receive blood from other blood types.
Type AB is the universal recipient and can receive blood from other blood types.
Type O is the universal donor, which can be given to other blood types.
d. Rh factor is the protein on the RBC membrane; if present, then Rh positive; if absent, then Rh negative.
e. Transfusion testing is done to make sure donor's and recipient's blood are compatible.
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