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Which of the following is a normal value for whole blood in a healthy adult?
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17. The Blood
Introduction To Blood
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Which blood group includes the D antigen?
A
Kell blood group
B
MN blood group
C
ABO blood group
D
Rh blood group
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Understand that blood groups are classified based on the presence or absence of specific antigens on the surface of red blood cells.
Learn that the Rh blood group system is one of the major blood group systems, and it includes the D antigen, which is commonly referred to as the Rh factor.
Recognize that the D antigen is a protein found on the surface of red blood cells in individuals who are Rh-positive. If the D antigen is absent, the individual is Rh-negative.
Compare the other blood group systems mentioned in the problem: The Kell blood group system involves different antigens like K and k, the MN blood group system involves M and N antigens, and the ABO blood group system involves A, B, and O antigens, none of which include the D antigen.
Conclude that the Rh blood group system is the correct answer because it specifically includes the D antigen, which is critical in determining Rh-positive or Rh-negative status.
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