What is another name for red blood cells?
A. Leukocytes
B. Platelets
C. White blood cells
D. Erythrocytes
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What does a high white blood cell count usually indicate?
A. Dehydration
B. Infection or inflammation
C. Low iron
D. Vitamin deficiency
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What gives red blood cells their red color?
A) Iron
B) Calcium
C) Potassium
D) Protein
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What percentage of blood volume is typically contained within the venous system?
A. 10 %
B. 25 %
C. 50 %
D. 70 %
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What percentage of blood is plasma?
A. 10 %
B. 45 %
C. 55 %
D. 90 %
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Antigens and blood compatibility tests
There are many types of antigens (twenty for red blood cells alone).
Antigens that belong to the same category form what we call a blood group.
#antigens #bloodtransfusion #bloodcomposition #redbloodcells
