Blood Bank Cliff Notes Flashcards
(51 cards)
Most antigenic antigen
D
Antigens removed by enzymes
FYa, FYb, m and N
Next most antigenic antigen
K
Bombay genotype
hh
Dosage effect, which show
RH, Duffy, Kidd, MNS
Dosage effect
Stronger with Homozygous cells weaker with heterozygous cells
Type of expression of most blood group antigens
Codominance
But group with most H antigen left
Group O
Blood group with least H antigen left
A1B
Anamnestic antibody response
Secondary response
Most dangerous antibody
Anti-– JKa
Acquired B-like antigen
Only in group a person’s
Negative reactions on both forward and reverse ABO testing
Incubate reactions at lower temperature
Mixed field agglutination on forward ABO testing
Subgroup A3
Negative reaction with anti-a and anti-B, positive reaction with anti-AB
Subgroup AX
No antibodies on reverse ABO testing
Elderly patient or chemotherapy
Negative reaction with anti-A1 lectin
A2
Dolichos biflorus
Anti-A1 lectin
Ulex europeus
Anti-H Lectin
What do Coombs control (check cells) cells do?
Confirms that AHG Has been added and works; confirms adequate cell washing
All panel cells positive, cord cells negative
Anti-I
Remove anti-P1 from Serum
Add hydatid cyst fluid ( contains p1 antigen)
Antibody most common and warm autoimmune hemolytic anemia (positive DAT)
Anti-e
Antibody in paroxysmal cold hemoglobinuria
Anti-P