Compatibility, Crossmatching, Rh Factor
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| Question |
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| Answer |
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| 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 |
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