a patient has been injured and is in need of a blood transfu

a patient has been injured and is in need of a blood transfusion. when she arrives at the ER, doctors determine that she has type A+ blood. what antigens are present on her erythrocytes?

what antibodies are present in her blood?

what blood type(s) can she recieve in her blood transfusion?

if an agglutination reaction only occurs when anti-B antibody is applied, then the blood type must be type ___(A/B) ___(+/-)

Solution

Blood group A type has A antigen stuck on the outside of red blood cells and have anti B type antibodies.

She recieves blood group A and O.

If agglutination take place it means blood have antibody B negative type. Blood group A with antibody B + cannot react with antibody B + . Only antibody B- can react with blood antibody B+.