Deck 14: Blood Component Preparation and Therapy

Question 1

Rejuvenation of a unit of RBCs is a method used to:

A)inactivate viruses.
B)restore 2,3 DPG and ATP levels.
C)increase the expiration date by 21 days.
D)prepare a unit for freezing in high glycerol.

Answer 1

B
Additives in rejuvenation solutions increase the 2,3 DPG and ATP levels of an expired unit,allowing for freezing within 3 days.

Question 2

To prevent graft-versus-host disease,blood components prepared for a fetus that needs an intrauterine transfusion should be:

A)saline washed.
B)irradiated.
C)frozen and deglycerolized.
D)human leukocyte antigen-matched.

Answer 2

B
Irradiation prevents the leukocytes from dividing and causing a graft-versus-host reaction.

Question 3

The temperature of a shipment of red blood cell units that was received from the local blood center was recorded as 8° C.The correct course of action is to:

A)place the units in inventory because the temperature is acceptable.
B)quarantine the units until approved by the supervisor.
C)send the units back to the blood center.
D)have the units tested for bacterial contamination before release.

Answer 3

A
Shipment of red blood cells should be between 1° and 10° C,and the units are acceptable to use.

Question 4

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
AS-3 or AS-2

Question 5

Addition of which of the following will increase the shelf life of red blood cells?

A)Heparin
B)AS-3
C)Lactated Ringer's
D)Citrate

Question 6

The maximum acceptable storage temperature for frozen red blood cells is:

A)4° C.
B)-12° C.
C)-20° C.
D)-65° C.

Question 7

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
Frozen

Question 8

Leukocyte-reduced red blood cells are indicated for patients with:

A)febrile transfusion reactions.
B)iron deficiency anemia.
C)hemophilia A.
D)cancer undergoing chemotherapy treatments.

Question 9

Plasma,frozen within 24 hours of collection (PF24),has similar coagulation factors as:

A)FFP.
B)CRYO.
C)thawed plasma.
D)recovered plasma.

Question 10

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
Irradiated

Question 11

Whole blood collected from a donor should remain at what temperature before the separation and preparation of platelet concentrates?

A)20° to 24° C
B)1° to 6° C
C)1° to 10° C
D)Varies with the facility

Question 12

An important determination of platelet viability following the recommended storage interval is the:

A)platelet count.
B)pH.
C)PTT.
D)oxygen level.

Question 13

The correct storage temperature and time limit for pooled platelets are:

A)20° to 24° C,5 days.
B)1° to 6° C,7 days.
C)1° to 10° C,24 hours.
D)20° to 24° C,4 hours.

Question 14

A unit of CPDA-1 RBCs,expiring in 35 days,is split using a sterile collection device to prepare pediatric units.Each unit can be relabeled with an expiration date as:

A)4 days from collection.
B)4 days from sterile docking.
C)35 days from collection.
D)28 days from collection.

Question 15

Once the cryoprecipitate has been removed from fresh frozen plasma,the remaining plasma can be refrozen and stored at -18° C for 1 year from collection.This product is useful for which of the following conditions?

A)Thrombotic thrombocytopenic purpura
B)Hemophilia
C)Warfarin overdose
D)Volume replacement following surgery

Question 16

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
CPD

Question 17

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
CPDA-1

Question 18

Plastic overwraps are recommended for thawing FFP and CRYO to prevent:

A)contamination of the water bath.
B)rapid thawing,which affects labile factors.
C)entry ports from being contaminated with water.
D)the label from peeling off when thawing.

Question 19

Following a platelet concentrate transfusion,a patient did not obtain the calculated corrected count increment that was expected.The possible reason(s)this did not occur is (are)the:

A)patient had a fever.
B)patient was actively bleeding.
C)patient has leukocyte antibodies.
D)All of the above are correct.

Question 20

Platelet concentrates that are prepared from whole blood have a minimum quality control limit of __________ platelets in __________ of the units tested.

A)3 * 10¹¹,75%
B)1 * 10¹⁰,75%
C)5.5*10¹⁰,all
D)5.5 * 10¹⁰,75%

Question 21

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.a.20° to 24° C,4 hours
b.1° to 6° C,24 hours
c.20° to 24° C,6 hours
d.< -18° C,1 year from collection
e.1° to 6° C,< 5 days
f.< -65° C,7 years
g.20° to 24° C,48 hours
Cryoprecipitated AHF (thawed)

Question 22

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.a.20° to 24° C,4 hours
b.1° to 6° C,24 hours
c.20° to 24° C,6 hours
d.< -18° C,1 year from collection
e.1° to 6° C,< 5 days
f.< -65° C,7 years
g.20° to 24° C,48 hours
Liquid plasma from whole blood

Question 23

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.a.20° to 24° C,4 hours
b.1° to 6° C,24 hours
c.20° to 24° C,6 hours
d.< -18° C,1 year from collection
e.1° to 6° C,< 5 days
f.< -65° C,7 years
g.20° to 24° C,48 hours
Cryoprecipitated AHF,pooled

Question 24

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
Leukoreduced (AS-3)

Question 25

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
Deglycerolized

Question 26

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.a.20° to 24° C,4 hours
b.1° to 6° C,24 hours
c.20° to 24° C,6 hours
d.< -18° C,1 year from collection
e.1° to 6° C,< 5 days
f.< -65° C,7 years
g.20° to 24° C,48 hours
Fresh frozen plasma (thawed)

Question 27

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.a.20° to 24° C,4 hours
b.1° to 6° C,24 hours
c.20° to 24° C,6 hours
d.< -18° C,1 year from collection
e.1° to 6° C,< 5 days
f.< -65° C,7 years
g.20° to 24° C,48 hours
Plasma,cryoprecipitate reduced,thawed

Question 28

Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.a.21 days
b.35 days
c.42 days
d.10 years
e.28 days
f.24 hours
g.48 hours
h.72 hours
Pheresis (ACD)

Question 29

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.a.20° to 24° C,4 hours
b.1° to 6° C,24 hours
c.20° to 24° C,6 hours
d.< -18° C,1 year from collection
e.1° to 6° C,< 5 days
f.< -65° C,7 years
g.20° to 24° C,48 hours
Cryoprecipitated AHF (frozen)