THE HUMAN IMMUNE SYSTEM
BLOOD GROUPS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Blood Type O
|
|
|
Blood Type A
|
|
|
Blood Type B
|
|
|
Blood Type AB
|
Detailed explanation-1: -blood group AB – has both A and B antigens, but no antibodies.
Detailed explanation-2: -Your ABO blood type is based on the presence or absence of the A and B antigens on your red blood cells. The A blood type has only the A antigen and the B blood type has only the B antigen. The AB blood type has both A and B antigens, and the O blood type has neither A nor B antigen.
Detailed explanation-3: -Blood type AB Rh+ AB indicates there are both A and B antigens. Rh+ indicates there are Rh antigens. Antibodies (in the blood plasma): No antibodies!
Detailed explanation-4: -Landsteiner isolated and named the red cell antigens “A” and “B” and the corresponding antibodies “Anti-A” and “Anti-B.” If the red cells contained neither antigen, he called these cells “O, ” representing zero antigens present.
Detailed explanation-5: -Anti-A is found in the serum of people with blood groups O and B. Anti-B is found in the serum of people with blood groups O and A. Anti-A and anti-B bind to RBCs and activate the complement cascade, which lyses the RBCs while they are still in the circulation (intravascular hemolysis).