Anatomy & Physiology › Section P · Blood › Topic P.5
Blood typing
Transfusion became safe only once doctors learned that red blood cells carry inherited surface markers and that plasma can carry antibodies against them. The ABO and Rh groups explain who can receive whose blood, how blood types are inherited, and how a mother's antibodies can harm a fetus.
In this topic
- Why blood types matter
- Antigens, antibodies and agglutination
- The ABO group
- The Rh group
- Worked example: reading a typing card
- Red cell compatibility
- Worked example: choosing red cells
- Plasma and the reversed rule
- Inheriting a blood type
- Hemolytic disease of the newborn
- Common mistakes to avoid
- Key takeaways
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