blood groups

Question 1

what is an antigen?

Answer 1

substance (protein, peptide, or polysaccharide) that the body recognizes as foreign

Question 2

in the presence of an antigen what will the immune system produce?

Answer 2

antibodies that bind to the antigen

Question 3

when antibodies clump together what are they called?

Answer 3

agglutination

Question 4

why is blood typing important?

Answer 4

the wrong type of blood will serious health problems or even death

Question 5

explain which blood type can donate to which

Answer 5

o to a, b, or ab
a to ab
b to ab
ab to none

Question 6

what is the Rh system determined by? what percentage of Americans are Rh postive?

Answer 6

the presence/absence of an Rh antigen on red blood cells, 85%

Question 7

howd do rH antibodies differ from ABO antibodies?

Answer 7

they are not produced immediately

Question 8

explain why Rh antigens are monitored during blood transfusions & preganancies

Answer 8

so that the donated blood does not react w/ the recipient’s blood