THE HUMAN IMMUNE SYSTEM
BLOOD GROUPS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Antigens are (1) and antibodies are (2)
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(1) proteins that detect foreign substances (2) surface proteins on red blood cells that determine blood type
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(1) surface proteins on red blood cells that determine blood type (2) proteins that detect foreign substances
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(1) proteins that attack other blood cells (2) proteins that help create new blood cells
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None of the above
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Explanation:
Detailed explanation-1: -The antigens expressed on the red blood cell determine an individual’s blood group. The main two blood groups are called ABO (with blood types A, B, AB, and O) and Rh (with Rh D-positive or Rh D-negative blood types).
Detailed explanation-2: -Erythrocytes (red blood cells) have proteins on their surface that determine blood type. Specifically, blood type refers to the presence of two classes of antigens (A/B/O and Rh) on the surface of red blood cells.
Detailed explanation-3: -The presence of antigens rouses your body’s illness-fighting white blood cells, called lymphocytes. This presence of antigens causes white blood cells to make cells called antibodies to fight against the antigens.
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