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National Board Exam > Blood Transfusion > Flashcards

Flashcards in Blood Transfusion Deck (17):
1

one unit of PRBC will generally raise the Hgb and Hct by how much?

Hgb = 1 gm/dL
Hct = 3-4%

2

what is FFP?

the fluid portion of one unit of human blood. contains plasma proteins and clotting factors

3

for each unit of platelets administered, the count will increase by....

10-20,000

4

what is cryo?

what is left after FFP is centerfuged (concentrated preparation of Factor VIII, XIII, Fibrinogin, and vWF

5

what is autologous blood?

blood that is reimplanted in the donor

6

which blood type is the universal donor and why?

O+ because it has no antigens

7

which blood type is the universal recipient and why?

AB no antibodies

8

what preservative in blood products acts as an anticoagulant by bind free Ca2+?

citrate

9

How long can a unit of PRBCs be stored? FFP? Platelets? Cryo?

PRBC = 35 days (poss. up to 42)
FFP = w/in 24 hrs of thawing
Platelets = room temp for 5 days
Cryo = w/in 2-4 hrs of thawing

10

how do you estimate a patients blood volume?

Females = 60-65
Males = 70-75
Children = 80-85

11

what is the formula for allowable blood loss/

[ (Hcti - Hcta) / Hctavg] X EBV

12

what is the volume and Hct of 1 unit of PRBC? Cell saver?

PRBC= 250-300mL & 70-80%
Cell Saver = 250mL (ish) & 65-70%

13

what size is the standard filter on blood sets?

170 micron

14

What is the most common cause for a major hemolytic transfusion reaction?

clerical error

15

what is TRALI?

Transfusion Related Acute Lung Infection: leads to pulmonary edema

16

in the face of a life-threatening hemorrhage and coagulopathy, what product is acceptable for administration to Jehovah's Witness?

hetastarch

17

what size filter is used for microaggregates?

20-40 microns