Question 1

Why are plastic overwraps recommended when thawing FFP and CRYO?

Accepted Answer

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

Question 2

What is the correct storage temperature and time limit for pooled platelets?

Accepted Answer

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 D

Question 3

MATCHING
Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.
-CPDA-1

Accepted Answer

A)  21 days
B)  35 days
C)  42 days
D)  10 years
E)  28 daysF) 24 hoursG) 48 hoursH) 72 hours B

Question 4

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.
-Cryoprecipitated AHF (frozen)

Accepted Answer

A)  20° to 24° C, 4 hours
B)  1° to 6° C, 24 hours
C)  20° to 24° C, 6 hours
D)  
E)  1° to 6° C, up to 5 daysF) G) 20° to 24° C, 48 hours

Question 5

MATCHING
Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.
-CPD

Accepted Answer

A)  21 days
B)  35 days
C)  42 days
D)  10 years
E)  28 daysF) 24 hoursG) 48 hoursH) 72 hours

Question 6

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

Accepted Answer

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

Question 7

What is the minimum acceptable storage temperature for frozen red blood cells?

Accepted Answer

A)   4° C
B)   -12° C
C)   -20° C
D)   -65° C

Question 8

Following a platelet concentrate transfusion,a patient did not obtain the calculated corrected count increment that was expected.Select the possible reason(s)the increment increase did not occur.

Accepted Answer

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

Question 9

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.
-Cryoprecipitated AHF (thawed)

Accepted Answer

A)  20° to 24° C, 4 hours
B)  1° to 6° C, 24 hours
C)  20° to 24° C, 6 hours
D)  
E)  1° to 6° C, up to 5 daysF) G) 20° to 24° C, 48 hours

Question 10

MATCHING
Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.
-Apheresis (ACD)

Accepted Answer

A)  21 days
B)  35 days
C)  42 days
D)  10 years
E)  28 daysF) 24 hoursG) 48 hoursH) 72 hours

Question 11

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

Accepted Answer

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.

Question 12

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

Accepted Answer

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

Question 13

What patient population needs leukocyte-reduced red blood cells?

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

MATCHING
Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.
-Irradiated

Accepted Answer

A)  21 days
B)  35 days
C)  42 days
D)  10 years
E)  28 daysF) 24 hoursG) 48 hoursH) 72 hours

Question 16

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all.
-Cryoprecipitated AHF (thawed,pooled)

Accepted Answer

A)  20° to 24° C, 4 hours
B)  1° to 6° C, 24 hours
C)  20° to 24° C, 6 hours
D)  
E)  1° to 6° C, up to 5 daysF) G) 20° to 24° C, 48 hours

Question 17

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

Accepted Answer

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

Question 18

MATCHING
Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.
-Leukoreduced (AS-3)

Accepted Answer

A)  21 days
B)  35 days
C)  42 days
D)  10 years
E)  28 daysF) 24 hoursG) 48 hoursH) 72 hours

Question 19

Once the cryoprecipitate is removed from fresh frozen plasma,the remaining plasma can be refrozen and stored at -18° C for 1 year from collection.Which of the following clinical conditions can use this product?

Accepted Answer

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

Question 20

MATCHING
Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all.
-Frozen

Accepted Answer

A)  21 days
B)  35 days
C)  42 days
D)  10 years
E)  28 daysF) 24 hoursG) 48 hoursH) 72 hours

Exam 15: Blood Component Preparation and Therapy

Why are plastic overwraps recommended when thawing FFP and CRYO?

What is the correct storage temperature and time limit for pooled platelets?

MATCHING Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all. -CPDA-1

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all. -Cryoprecipitated AHF (frozen)

MATCHING Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all. -CPD

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

What is the minimum acceptable storage temperature for frozen red blood cells?

Following a platelet concentrate transfusion,a patient did not obtain the calculated corrected count increment that was expected.Select the possible reason(s) the increment increase did not occur.

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all. -Cryoprecipitated AHF (thawed)

MATCHING Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all. -Apheresis (ACD)

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

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

What patient population needs leukocyte-reduced red blood cells?

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

MATCHING Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all. -Irradiated

Match the blood component with the correct storage and expiration limit.Each choice may be used more than once or not at all. -Cryoprecipitated AHF (thawed,pooled)

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

MATCHING Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all. -Leukoreduced (AS-3)

Once the cryoprecipitate is removed from fresh frozen plasma,the remaining plasma can be refrozen and stored at -18° C for 1 year from collection.Which of the following clinical conditions can use this product?

MATCHING Match the correct expiration limit with each red blood cell product.Each choice may be used more than once or not at all. -Frozen