ABO Flashcards

1
Q

Universal Blood Recipient

A

AB

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2
Q

Universal Blood Donor

A

O

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3
Q

Universal Plasma Donor

A

AB

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4
Q

Universal Plasma Recipient

A

O

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5
Q

ABO Chromosome

A

9

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6
Q

H chromosome

A

19

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7
Q

Major ABO Genotypes and Phenotypes:

A1

A

A1A1
A1O
A1A2

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8
Q

Major ABO Genotypes and Phenotypes:

A2

A

A2A2
A2O

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9
Q

Major ABO Genotypes and Phenotypes:

A1B

A

A1B

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10
Q

Major ABO Genotypes and Phenotypes:

A2B

A

A2B

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11
Q

Major ABO Genotypes and Phenotypes:

B

A

BB, BO

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12
Q

Major ABO Genotypes and Phenotypes:

O

A

OO

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13
Q

Formation of ABH Antigens

Glycosyltransferase:
Immunodominant sugar:

H

A

L-fucosyltransferase
L-fucose

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14
Q

Formation of ABH Antigens

Glycosyltransferase:
Immunodominant sugar:

A

A

N-acetylgalactosaminyltransferase
N-acetyl-D-galactosamine

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15
Q

Formation of ABH Antigens

Glycosyltransferase:
Immunodominant sugar:

B

A

D-galactosyltransferase
D-galactose

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16
Q

Formation of ABH Antigens

Glycosyltransferase:
Immunodominant sugar:

AB

A

N-acetylgalactosaminyltransferase
D-galactosyltransferase

N-acetyl-D-galactosamine
D-galactose

17
Q

Greatest amount of H antigen

A

O

O > A2 > B > A2B > A1 > A1B

18
Q

Least amount amount of H antigen

A

A1B

19
Q

COMPARISON OF TYPE 1 and TYPE 2 CHAIN:

Link: Beta 1,3
Origin: Plasma
Controlling genes: H, A, B, Se and Lewis

A

Type 1

20
Q

COMPARISON OF TYPE 1 and TYPE 2 CHAIN:

Link: Beta 1,4
Origin: Erythrogenic precursors
Controlling genes: H, A, B

A

Type 2

21
Q

Subgroups of A was discovered by

A

Von Dungern ((1911)

22
Q

Lectin Source of A1

A

Dolichos biflorus

23
Q

SUBSGROUP OF A:

Branched A Antigens
2 million A antigens
Positive for Anti-A1
Positive for Anti-A1 Lectin

A

A1

24
Q

SUBSGROUP OF A:

Linear A Antigens
500,000 A antigens
Positive for Anti-A1
Negative for Anti-A1 Lectin

A

A1

25
Q

SUBSGROUP OF A:

Increased A antigen
Decreased H antigen

A

A1 = Anti-H

26
Q

SUBSGROUP OF A:

Decreased A antigen
Increased H Antigen

A

A2 = Anti-A1