Blood Typing

Question 1

ABO System

Answer 1

Major system of blood typing

Question 2

Blood Typing

Answer 2

Blood of one person is different from another’s due to presence of antigens on surface of erythrocytes; major method of typing blood is ABO system and includes types A, B, O, and AB; other major method of typing blood is Rh factor, consisting of two types, Rh+ and Rh-

Question 3

Rh Factor

Answer 3

Antigen marker found on erythrocytes of persons with Rh+ blood

Question 4

Rh-Negative (Rh-)

Answer 4

Person with Rh- blood type; person’s RBCs do not have Rh marker and will make antibodies against Rh+ blood

Question 5

Rh-Positive (Rh+)

Answer 5

Person with Rh+ blood type; person’s RBCs have Rh marker

Question 6

Type A Blood

Answer 6

One of ABO blood types; person with type A markers on his or her RBCs; type A blood will make anti-B antibodies

Question 7

Type AB Blood

Answer 7

One of ABO blood types; person with both type A and type B markers on his or her RBCs; since it has both markers, it will not make antibodies against either A or B blood

Question 8

Type B Blood

Answer 8

One of ABO blood types; person with type B markers on his or her RBCs; type B blood will make anti-A antibodies

Question 9

Type O Blood

Answer 9

One of ABO blood types; person with no markers on his or her RBCs; type O blood will not react with anti-A or anti-B antibodies; therefore, is considered universal donor

Question 10

Universal Donor

Answer 10

Type O blood is considered universal donor; since it has no markers on RBC surface, it will not trigger reaction with anti-A or anti-B antibodies

Question 11

Universal Recipient

Answer 11

Person with type AB blood has no antibodies against other blood types and therefore, in emergency, can receive any type of blood