In preparation for a scheduled surgery a patient visits the hospital lab for a blood draw the technician collection of blood sample and performs a test to determine its type. she places a sample of the patient’s blood into Wells. to the first well she adds anti-a antibody. To the second she adds anti-B antibody. Both samples visibly agglutinate. Has The technician made an error or is this a normal response? If normal, what blood type does this indicate?