2.3 ISBT 001 (ABO subgroup) Flashcards
How A1 happens?
H converts “A” to A1
Which among A2 or A1 has the most Antigen?
A1
Antigen A and A1
Which among A2 and A1 has the most antibody?
A2
Contains Anti-A1 and Anti-B
All A1 do not have Anti H
T or F
F
Some do have anti H
This Reacts with Anti A and A1
A1 or A2
A1
This reacts only to Anti A
A1 or A2
A2
A2 and A2B individuals have what antibody?
Anti-A1
Anti-AI is considered naturally occurring IgM
T or F
T
Anti A1 or A1B comes from what source?
Dolichous biflorus
Dolichous Bilflorous are considered L____ or Seed extracts
lectins
Ag present: A and A1
A1
Ag present: A only
A2
Anti A: 4+
Anti A1: 4+
A1
Anti A: 4+
Anti A1: 0
A2
Anti-A: 4+
Anti-B: 0
KA: 3+
KB: 3+
KO: O
a. Ptx is O
b. PTx is A2
c. KA is A1
d. B and C
d
Anti-A: 4+
Anti-B: 0
KA: 3+
KB: 3+
KO: O
a. Check with Dolichous Biflorus
b. Ptx is A2
c. Ptx is A1
d. B and C
e. A and B
f. All of the Above
e
Bombay Phenotype is known as Oh/Hnull
T or F
T
Origin of Bombay phenotype?
Bhende in bombay india
In bombay phemotype, Type O has no?
H gene
What are the Naturally occuring antibodies in Bombay phenotype?
Anti-A, Anti-B, Anti-H
What is the source for Anti-H?
Ulex europeus
Anti-A: 0
Anti-B: 0
Anti-H: 4+
O or Oh
O
Anti-A: 0
Anti-B: 0
Anti-H: 0
O or Oh
Oh
KA: 4+
KB: 4+
KO: 0
O or Oh
O
KA: 4+
KB: 4+
KO: 4+
O or Oh
Oh
In Anti-H, Positive for Oh is No reaction WITH Ulex europeus
T or F
T
in Bm blood type, there is no Agglutination in Anti B on what specimen?
Blood
Anti-A: 0
Anti-B: 4+
Blood
B or Bm
B
Anti-A: 0
Anti-B: 4+
Saliva
B or Bm
Both
Anti-A: 0
Anti-B: 0
Blood
B or Bm
Bm
Patient blood sample is used, forward typing interpretation is “O” however, in Reverse typing interpretation is B, what will you do?
Retest
Prolonged incubation on Room temp
Test the Saliva
