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haematology > Miscellaneous > Flashcards

Miscellaneous Flashcards

1
Q

Blood components available from donation (4)

A

RBC, FFP, platelets and cryoprecipitate

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2
Q

On which chromosome is the ABO gene located

A

9

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3
Q

Genotype for group O

A

OO

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4
Q

Genotype for group A

A

AA or AO

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5
Q

Genotype for group B

A

BB or BO

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6
Q

Genotype for group AB

A

AB

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7
Q

What is Landsteiners law

A

When an individual lacks the A or B antigen, the corresponding antibody is produced in their plasma

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8
Q

Consequence of giving a patient blood that is not compatible

A

Antibodies cause haemolysis of red blood cells

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9
Q

Antibodies present in plasma of patients with group A blood

A

Anti-B

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10
Q

Antibodies present in plasma of patients with group B blood

A

Anti-A

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11
Q

Antibodies present in plasma of patients with group AB blood

A

Neither

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12
Q

Antibodies present in plasma of patients with group O blood

A

Anti-A and anti-B

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13
Q

Genotype for RhD+

A

DD or Dd

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14
Q

Genotype for RhD-

A

dd

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15
Q

Indications for red cell transfusion (2)

A

Major bleeding or symptomatic anaemia

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16
Q

Indications for platelet transfusion (2)

A

Prophylaxis in patients with bone marrow failure OR in thrombocytopenic patients
Treating bleeding in thrombocytopenic patients

17
Q

Indications for FFP transfusions (2)

A

Treatment in bleeding or prior to surgery in patients with coagulopathy
Management of massive haemorrhage

18
Q

When is an FFP transfusion NOT indicated (2)

A

In absence of bleeding
Planned procedure even if coagulation screen is abnormal

19
Q

What needs to be done to blood given to immunocompromised patients

A

Irradiation

20
Q

When do non-haemolytic febrile transfusion reactions tend to occur

A

30-60 mins after transfusion has begun

21
Q

White out on CXR following transfusion

A

Transfusion related acute lung injury

22
Q

What is the universal blood donor

A

O-

23
Q

What transfusable blood product has the shortest shelf life

A

Platelets

haematology (11 decks)

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