THE HUMAN IMMUNE SYSTEM
BLOOD GROUPS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Rh Factor
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Blood Type A
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Blood Type AB
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Blood Type O
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Detailed explanation-1: -Rhesus-system is the second most important blood group system after ABO. [4] Currently, the Rh-system consists of 50 defined blood group antigens out of which only five are important. RBC surface of an individual may or may not have a Rh factor or immunogenic D-antigen.
Detailed explanation-2: -The Rhesus factor, or Rh factor, is a certain type of protein found on the outside of red blood cells. People are either Rh-positive (they have the protein) or Rh-negative (they don’t have the protein).
Detailed explanation-3: -There are 5 main Rh antigens on red cells – C, c, D, E, e. The most important of these is the Rh D. Having the D antigen on the red cell gives you the positive (+) and lacking it gives you the negative (-) after the letter A, B, AB or O.
Detailed explanation-4: -O-is found in six percent of the population. This blood is the second most frequently occurring blood type.
Detailed explanation-5: -Other Rh alloantibodies that are capable of causing severe HDN include anti-c (7, 8), which clinically is the most important Rh antigen after the D antigen.