blood groups + transfusions

15-30% blood loss causes…

weakness

more than 30% blood loss causes…

shock (can be fatal)

____________ are the only way to replace blood quickly

transfusions

transfused blood must be of the same…

blood type

blood contains _______-________ proteins

genetically determined

antigens

substance the body recognizes as foreign

antigens may be ___________ by the…

attacked, immune system

antibodies are what ____________ the _________

recognizes, antigens

blood is typed by using…

antibodies that will cause clumping

another word for clumping

agglutination

type AB

A and B antigens

type A

A antigens

type B

B antigens

type O

no antigens

type AB can receive…

any type, universal recipient

type A can receive…

A, O

type B can receive…

B, O

type O can receive…

O, universal donor