Deck 11: Blood Component Preparation and Therapy

Question 1

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

A) 4° C
B) -12° C
C) -20° C
D) -65° C

Answer 1

D
Frozen red blood cells must be stored at -65^o C or lower.

Question 2

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%

Answer 2

5.5* 10¹⁰, all

Question 3

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

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

Answer 3

A
Avoiding febrile transfusion reactions is an important reason in administering leukopoor blood products.

Question 4

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 5

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 6

The temperature of a shipment of red blood cell units that were 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.

Question 7

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 8

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 9

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.

Question 10

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)

Question 11

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 12

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 13

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 14

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 15

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 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
Leukoreduced (AS-3)

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

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 19

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 20

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 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
Fresh frozen plasma (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
Plasma, cryoprecipitate reduced, thawed

Question 24

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