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Transfusion > a > Flashcards

a Flashcards

1
Q

Mixed field with anti-A suggests what?

A

Subgroup of A - A3

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2
Q

Effect of enzyme-treated cells on Rh antibodies?

A

Stronger reaction

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3
Q

Why are anti-M/N not clinically significant but Anti-S/s are?

A

Anti-M/N are IgM

Anti-S/s are IgG

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4
Q

Term used to describe the absence of Rh antigens

A

Rh(null)

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5
Q

Next most immunogenic antigen after D

A

K (big K)

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6
Q

Bandeiraea simplicifolia agglutinates what cells?

A

B cells

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7
Q

Which antibody is frequently seen in patients with warm autoimmune hemolytic anemia?

A

Anti-e

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8
Q

Which blood group systems are affected by dosage

A

Kidd, duffy, Rh, MNS

Kidds and Duffy the Monkey (Rh) eat lots of M &NS

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9
Q

Hydatid cyst fluid is used to neutralize which antibody?

A

Anti-P1

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10
Q

Often linked to delayed hemolytic transfusion reactions

A

Kidd (Jka, Jkb)

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11
Q

Most common Lewis phenotype in adults

A

Le(a- b+)

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12
Q

What is required for one to be negative for the U antigen

A

S- s-

Because U is inherited whenever either one or both of S/s are inherited

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13
Q

Antibody that gives a refractile mixed field appearance

A

Anti-Sd^a

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14
Q

What is the Kleihauer-Betke test used for?

A

Differentiate between maternal and fetal RBCs

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15
Q

An infection by this organism can trigger cold hemagglutinin disease

A

Mycoplasma pneumoniae

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16
Q

Antibody seen in adults but not in cord cells

A

Anti-I (big I)

17
Q

These antigens show marked dosage

A

Kidd

18
Q

U negative cells are only found in this population

A

Black

19
Q

Enzyme-treated cells will not react with _______ antibodies

A

Duffy

20
Q

Anti-A1 lectin

A

Dolichos biflorus

21
Q

In which ethnic group is Type B blood found in higher frequency?

A

Asians

22
Q

Co-dominant alleles that are not AB

A

Kell, Duffy, Kidd

23
Q

Treatment with these reagents will destroy Kell antigens

A

Sulfhydrl

24
Q

A strong auto-anti-P is associated with this disease

A

Paroxysmal cold hemoglobinuria

25
Q

These antigens are not part of the red cell membrane, but are adsorbed onto the red cells from the plasma

A

Lewis

Transfusion (1 decks)

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