immunohema

Question 1

is the most important blood group system after ABO in transfusion medicine

Answer 1

RH

Question 2

Individuals who lack D antigen DO NOT have anti-D.

Answer 2

TRUE

Question 3

Immunogenicity of D greater than that of all other RBC antigens studied.

Answer 3

TRUE

Question 4

Two of the terminologies are based on the

Answer 4

postulated genetic mechanisms of the Rh system.

Question 5

3rd terminology describes only the

Answer 5

presence or absence of a given antigen

Question 6

4th is result of the effort of

Answer 6

International Society of Blood Transfusion (ISBT) Working Party on Terminology for Red cell Surface antigens.

Question 7

Suggested that antigens are determined by 3 closely linked sets of alleles.

Answer 7

Fisher-Race (CDE Terminology)

Question 8

3 linked alleles

Answer 8

D or d (Presence or absence of the D antigen)
C or c (C and c antigens)
E or e (E and e antigens)

Question 9

Postulated that TWO genes, one on each chromosome pair, controls the entire express of Rh system

Answer 9

2- Wiener (The Rh-Hr terminology)

Question 10

Each gene produces a structure on the red cell called an

Answer 10

agglutinogen (antigen)