Which is normally present in a subject with type O blood?
A) erythrocytes carrying type A antigen
B) erythrocytes carrying type B antigen
C) both anti-A and anti-B antibodies in the plasma
D) erythrocytes with both type A antigen and type B antigen
E) plasma that has neither anti-A nor anti-B antibodies

Question

Quizplus · Accepted Answer

Type O blood does not have either type A or type B antigens on the surface of the red blood cells. Therefore, individuals with type O blood have both anti-A and anti-B antibodies in their plasma, which will react against any foreign A or B antigens if they are introduced into the body.

Which Is Normally Present in a Subject with Type O