Transfusions

Question 1

criteria to donate blood

Answer 1

hb 135 male
hb 125 women
weight 50kg

Question 2

red cells stored

Answer 2

stored at 4°C for 35 days

Question 3

ffp stored

Answer 3

stored 30 degrees for 3 years

Question 4

platelets

Answer 4

stored 22 degrees for 7 days with agitation

Question 5

blood components

Answer 5

Red cells, FFP, platelets, cryoprecipitate

Question 6

blood products

Answer 6

Anti-D immunoglobulin, prothrombin complex concentrate

Question 7

ABO on what chromosome

Answer 7

9

Question 8

which are dominant

Answer 8

A and B are dominant over O
A and B are co-dominant
O is silent

Question 9

phenotype

Answer 9

which antigens are detected

Question 10

genotype

Answer 10

which genes are present

Question 11

When an individual lacks the A or B antigen the corresponding antibody is produced in their plasma
Naturally occurring antibodies cause haemolysis of red cells expressing the specific antigen
- what law?

Answer 11

landsteiners law

Question 12

what is the universal donor

Answer 12

o

Question 13

what is the type of blood group that can receive any type of blood?

Answer 13

AB

Question 14

antibody screening

Answer 14

indirect anti-globulin test

Question 15

indications for red blood cell transfusion

Answer 15

symptomatic anaemia

major bleeding

Question 16

indications for platelet transfusion

Answer 16

Prophylaxis in patients with bone marrow failure and very low platelet counts
Treatment of bleeding in thrombocytopenic patient
Prophylaxis prior to surgery/ procedure in thrombocytopenic patient

Question 17

indications for ffp transfusion

Answer 17

Treatment of bleeding in patient with coagulopathy (PT ratio >1.5)
Prophylaxis prior to surgery or procedure in patient with coagulopathy (PT ratio >1.5)
Management of massive haemorrhage
Transfuse early in trauma