COMPONENT PREPARATION

Question 1

Collecting whole blood and transforming it into components uses what type of method

Answer 1

Centrifugation

Question 2

a mechanical devices that apply pressure to the blood bag, which allows blood components to flow from one bag to another

Answer 2

Plasma expressor

Question 3

quality of each scales using calibrated standard weights should be performed periodically to ensure that the scale is performing within specification

Answer 3

scales

Question 4

the tubing that connect blood bag is usually made of

Answer 4

(PVC) Polyvinyl chloride

Question 5

it uses a combination of targeted radio frequency energy and pressure to melt and seal the tubing

Answer 5

Tube sealers

Question 6

allows two separate blood bag to be connected via their PVC tubing without breaching the integrity of either container

Answer 6

Sterile connection device

Question 7

Uses to freeze plasma, liquid components may be placed in a standard -18 degree C or colder freezer

Answer 7

Plasma freezer

Question 8

storage devices include:

Answer 8

refrigerators
freezers
platelet agitators

Question 9

how many anticoagulant -preservative for every 100 mL of whole blood targeted for collection

Answer 9

14mL

Question 10

whole blood must be stored at what temperature

Answer 10

1-6 C

Question 11

Quality control indicator for this component are NOT routinely measure

Answer 11

Whole blood

Question 12

red blood cells is separated from whole blood by what methods

Answer 12

Centrifugation
Apheresis
Sedimentation (less commonly)

Question 13

AS (additive solution ) must be added to the RBC component within how many days

Answer 13

3 days

Question 14

RBC WITH additive solution, resulting in a finished product with a hematocrit of

Answer 14

55% to 65%

Question 15

RBC WITHOUT additive solution must have a finished hematocrit of

Answer 15

65% to 80%

Question 16

this component must be drawn by a single nontraumatic venipuncture and the concentrate must be prepared within 8 hrs of collection

Answer 16

Platelet

Question 17

Platelets derived from whole blood

Answer 17

Random Donor Platelet (RDP)

Question 18

Platelet product obtain from apheresis donation

Answer 18

Single Donor Platelet (SDP)

Question 19

how to store platelet concentration

Answer 19

Room temp
20-24 C with constant agitation

Question 20

RDP should contain how many platelets

Answer 20

5.0 x 10^10 platelets

Question 21

SDP should contain at least how many platelets

Answer 21

3.0 x 10^11 platelets

Question 22

it is the removal of white blood cell from blood or blood components prior to transfusion

Answer 22

Leukocyte reduction or leukoreduction

Question 23

SDP should only contain how many residual white blood cells

Answer 23

5.0 x 10^6 residual white blood cells

Question 24

RDP should only contain how many residual white blood cells

Answer 24

8.3 x 10^3 residual white blood cells

Question 25

at least how many percent of the original component must be recovered after leukoreduction

Answer 25

85%

Question 26

it protects against transmission of CMV to patients at increased risk of CMV disease

Answer 26

leukoreduction

Question 27

frozen within 8 hours

Answer 27

FFP - fresh frozen plasma

Question 28

frozen within 24 hrs

Answer 28

PF24- plasma frozen within 24 hrs

Question 29

FFP and PF24 can be stored for 1 years at what temp

Answer 29

-18C

Question 30

FFP & PF24 can be stored for 7 yrs at what temp

Answer 30

-65 C

Question 31

thawed temperature

Answer 31

30 - 37 C

Question 32

FFP can be manufactured into

Answer 32

cryoprecipitate and cryo-poor plasma

Question 33

What is the volume of FFP or PF24 from apheresis

Answer 33

as much as 800mL

Question 34

what is the volume of a unit of FFP or PF24 from whole blood

Answer 34

200-375 mL

Question 35

most often used for transfusion or plasma exchange in patients with thrombotic thrombocytopenia purpura

Answer 35

CPP - cryo-poor plasma

Question 36

cryoprecipitate pooled in the transfusion service laboratory using an open system must be transfused with how many hours

Answer 36

4hrs

Question 37

FDA and AABB recommended a minimum dose of gramma irradiation of ____ to the central portion of the blood unit

Answer 37

25Y

Question 38

irradiation may be achieved by using what radioactive sources

Answer 38

cesium-137 cobalt-60 x-ray

Question 39

it is often transfused during the neonatal period or in infants younger than 4 months of age due to their small blood volume

Answer 39

aliquoted blood products

Question 40

it allows multiple blood components to be transfused at a single event

Answer 40

pooled components

Question 41

T/F multiple units of red blood cells are NOT typically pooled together, but ither product types may be pooled

Answer 41

TRUE

Question 42

platelets pooled in an open systems must be transfused within how many hrs

Answer 42

4rhs of pooling

Question 43

it is stored for up to 10 yrs for those patients with rare phenotypes, for autologous use

Answer 43

frozen, deglycerolized RBCs

Question 44

-most widely used -increases the cryoprotective power of the glycerol, thus allowing slow, uncontrolled freezing process -provides storage at -65 C or below

Answer 44

high glycerol (40% weight per volume)

Question 45

Cryoprotection of the glycerol in minimal, and a very rapid, more controlled freezing procedure is require -liquid nitrogen is routinely used for this method

Answer 45

Low glycerol (20% weight per volume)

Question 46

used to treat patients with hemophilia A and have almost completely replaced cryoprecipitate as the product of choice

Answer 46

Factor VIII concentrates