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Blood Types
Compatibility, Crossmatching, Rh Factor
Question | Answer |
---|---|
Which boold type is the Universal Recipient and why? | AB - has NO A or B Antibodies - Plasma accepts andy Cell Type |
Which blood type is the Universal Donor? | O - has NO A or B Antigens - Cells compatible with any Plasma |
What is the definition of Crossmatching? | a routine test for Transfusion Compatibility |
What is the 1st step procedure of Crossmatching? | Donor's cells are exposed to a sample of the Recipient's Serum |
What are the test results from the 1st step procedure? | if it Agglutinates: Recipient's Serum has Antibodies against Donor's Antigens |
What is the 2nd step procedure of Crossmatching? | Recipient's Cells are exposed to a sample of the Donor's Serum |
What are the test results from the 2nd step procedure? | if it Agglutinates: Donor's Serum has Antibodies against Recipient's Antigens |
Why is it not a major concern if there is Agglutination when Recipient's are exposed to Donor's Serum during transfusion? | due to dilutio of Antibodies by Recupient's Blood volume & tranfusion us packed cells = Minimal Plasma |
How does one gain the Rh Factor? | may be Inherited along with A and/or B Antigens |
What is the definition of Normal Induction? | Antibodies produced only after exposure to the Rh Antigen |
How does a person get exposed to the Rh Antigen? | erroneous Transfusion or during delivery of Rh+ Baby |