Overview of the Hematologic System - Blood Types Flashcards
How is blood type defined by?
A blood type is defined by genetic markers and depends on a blood protein called agglutinogen, or antigen, on the surface of the red blood cell
What are the two types of antigen?
A and B
If you have the A antigen, you have type ____
A
If you have the B antigen, you have type ____
B
pe B. If you have both A and B, then your blood will be type __
AB
If you have neither of them, your blood will be type ____
O
Human blood is also characterized according to the presence or absence of the ____
Rh factor
Rh factor
Another antigen against which the body can make antibodies
Individuals with the Rh factor are called ____
Rh positive (or Rh+)
Those without the Rh factor are ____
Rh negative (or Rh–)
Human blood can be categorized into eight different types:
- Type A+ (Type A, Rh+)
- Type A– (Type A, Rh–)
- Type B+
- Type B–
- Type AB+
- Type AB–
- Type O+
- Type O–
Individuals with type AB+ blood are ____
Universal recipients
Universal recipients
Individuals that can receive any of the four blood types. They have no antibodies against A, B, or Rh factor antigens because these antigens are present in their own blood and are considered normal.
