Match the blood types from the drop-down boxes with the appropriate descriptions to the right of the boxes.

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The page below is a sample from the LabCE course Introduction to the ABO Blood Group System. Access the complete course and earn ASCLS P.A.C.E.-approved continuing education credits by subscribing online.

Learn more about Introduction to the ABO Blood Group System (online CE course)

Match the blood types from the drop-down boxes with the appropriate descriptions to the right of the boxes.

Select the correct match for each item from the drop-down box

A antigens on RBCs and Anti-B antibodies in serum, which may also contain Anti A1 antibodies.
A, A1 and B antigens on RBCs and no antibodies in serum.
B antigens on RBCs and Anti-A antibodies in serum.
No antigens on RBCs and Anti-A, Anti-B, and Anti-AB antibodies in serum.
A and B antigens on RBCs and either Anti-A1 antibodies or no antibodies in serum.
A1 and A antigens on RBCs and Anti-B antibodies in serum.