2.3 ISBT 001 (ABO subgroup) Flashcards

1
Q

How A1 happens?

A

H converts “A” to A1

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2
Q

Which among A2 or A1 has the most Antigen?

A

A1

Antigen A and A1

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3
Q

Which among A2 and A1 has the most antibody?

A

A2

Contains Anti-A1 and Anti-B

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4
Q

All A1 do not have Anti H

T or F

A

F

Some do have anti H

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5
Q

This Reacts with Anti A and A1

A1 or A2

A

A1

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6
Q

This reacts only to Anti A

A1 or A2

A

A2

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7
Q

A2 and A2B individuals have what antibody?

A

Anti-A1

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8
Q

Anti-AI is considered naturally occurring IgM

T or F

A

T

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9
Q

Anti A1 or A1B comes from what source?

A

Dolichous biflorus

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10
Q

Dolichous Bilflorous are considered L____ or Seed extracts

A

lectins

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11
Q

Ag present: A and A1

A

A1

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12
Q

Ag present: A only

A

A2

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13
Q

Anti A: 4+
Anti A1: 4+

A

A1

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14
Q

Anti A: 4+
Anti A1: 0

A

A2

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15
Q

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

A

d

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16
Q

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

A

e

17
Q

Bombay Phenotype is known as Oh/Hnull

T or F

A

T

18
Q

Origin of Bombay phenotype?

A

Bhende in bombay india

19
Q

In bombay phemotype, Type O has no?

A

H gene

20
Q

What are the Naturally occuring antibodies in Bombay phenotype?

A

Anti-A, Anti-B, Anti-H

21
Q

What is the source for Anti-H?

A

Ulex europeus

22
Q

Anti-A: 0
Anti-B: 0
Anti-H: 4+

O or Oh

A

O

23
Q

Anti-A: 0
Anti-B: 0
Anti-H: 0

O or Oh

A

Oh

24
Q

KA: 4+
KB: 4+
KO: 0

O or Oh

A

O

25
Q

KA: 4+
KB: 4+
KO: 4+

O or Oh

A

Oh

26
Q

In Anti-H, Positive for Oh is No reaction WITH Ulex europeus

T or F

A

T

27
Q

in Bm blood type, there is no Agglutination in Anti B on what specimen?

A

Blood

28
Q

Anti-A: 0
Anti-B: 4+
Blood

B or Bm

A

B

29
Q

Anti-A: 0
Anti-B: 4+
Saliva

B or Bm

A

Both

30
Q

Anti-A: 0
Anti-B: 0
Blood

B or Bm

A

Bm

31
Q

Patient blood sample is used, forward typing interpretation is “O” however, in Reverse typing interpretation is B, what will you do?

A

Retest
Prolonged incubation on Room temp
Test the Saliva