PHYSIOLOGY
CARDIOVASCULAR PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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One
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Two
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Three
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Four
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Detailed explanation-1: -There are 4 main blood groups (types of blood) – A, B, AB and O. Your blood group is determined by the genes you inherit from your parents.
Detailed explanation-2: -It was not until the year 1900, when Karl Landsteiner at the University of Vienna, discovered why some blood transfusions were successful while others could be deadly. Landsteiner discovered the ABO blood group system by mixing the red cells and serum of each of his staff.
Detailed explanation-3: -In addition to the A and B antigens, there is a protein called the Rh factor, which can be either present (+) or absent (–), creating the 8 most common blood types (A+, A-, B+, B-, O+, O-, AB+, AB-). Click on a blood type below to learn more. Click on a blood type below to learn more.
Detailed explanation-4: -The following year the fourth blood group, AB, was added to the ABO blood group system. These RBCs expressed both A and B antigens.