BLOOD GROUPS & BLOOD TYPES Flashcards
(41 cards)
a life-saving procedure in all cases of severe loss of blood, and in life-threatening anemia
BLOOD TRANSFUSION
a CLASSIFICATION OF BLOOD based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs)
BLOOD TYPE / BLOOD GROUP
Blood is characterized into different blood groups, based on the presence or absence of these _____ or _____
ANTIGENS OR AGGLUTINOGENS
The ABO blood group is characterized by
TWO GLYCOLIPID ANTIGENS
two glycolipid antigens
A & B
_____ contains antibodies or agglutinins that react with non-self antigens.
BLOOD PLASMA
They are absent in a newborn
ABO ANTIBODIES
the ABO antibodies start appearing in the plasma by the age of
3 - 4 mos
BLOOD TYPE:
anti-b
TYPE A
BLOOD TYPE:
anti-a
TYPE B
BLOOD TYPE:
none anti
TYPE AB
BLOOD TYPE:
anti-a, anti-b
TYPE O
ANTIGEN:
TYPE A
A ANTIGEN
ANTIGEN:
TYPE B
B ANTIGEN
ANTIGEN:
TYPE AB
A&B ANTIGENS
ANTIGEN:
TYPE O
NONE
- If someone receives blood of the wrong type, the worst problem is the reaction of the recipient’s antibodies on the donor’s RBCs.
- When the body encounters a foreign antigen
AGGLUTINATION
the CLUMPING of RBCs due to binding of antibodies (part of the immune system) to antigen, and causes BLOCKAGE OF BLOOD VESSELS and eventually death
AGGLUTINATION
can DONATE:
type AB
AB
can DONATE:
type A
A & AB
can DONATE:
type B
B & AB
can DONATE:
type O
AB, A, B, O
can RECEIVE:
type AB
AB, A, B, O
can DONATE:
type A
A, O