TM 5 (blood groups) Flashcards
1
Q
Rh null
A
stomatocytes, hemolytic anemia
altered S,s,U
2
Q
f antigen
A
little e and little c together (r or R0)
3
Q
great complement fixer with lots of dosage effect
A
Kidd
4
Q
Most famous for delayed hemolytic transfusion rxn
A
Kidd
5
Q
Glycophorin A carries
A
M, N antigens
6
Q
Glycophorin B carries
A
S,s,U antigens
7
Q
if S- and s-, may also be
A
U neg (2% AA)
8
Q
clinically significant abs in MNS system
A
S,s,U
9
Q
“N-like” antigen
A
terminal end of glycophorin B chain
only S-, s-, U- will make anti-N (also make anti-U)
10
Q
what is most common Duffy phenotype in AA
A
Fy(a-b-)
11
Q
Fya is more common in
A
Asians
12
Q
Duffy in caucasians
A
Fya > Fyb
13
Q
Fy(a-b-) protects against
A
P.vivax
P.knowlesi
14
Q
Kell frequencies
A
K+ 9% of caucasian, 2% of AA
k+ almost everyone
15
Q
as kell decreases, Kx ____
A
increases
