Blood Bank Test 7 Flashcards Preview

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Flashcards in Blood Bank Test 7 Deck (93)
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1

Cryoprecipitate is indicated for all of the following EXCEPT:

a. hypofibrinogenemia

b. hemophilia A

c. Von Willebrands disease

d. hemophilia B

d. Hemophilia B

2

A unit of RBCs given to an adult should increase the hematocrit by:

a. 1%

b. 2%

c. 3%

d. 4%

c. 3%

3

Which of the following is NOT and indication for thawed plasma?

a. DIC

b. Vitamin K deficiency

c. Factor VIII deficiency

d. massive transfusion

c. Factor VIII deficiency

4

In addition to febrile transfusion reactions, washed red cells are also indicated for:

a. IgM deficient patients with anti-IgM

b. IgG deficient patient with anti-IgG

c. IgE deficient patient with anti-IgE

d. IgA deficient patient with anti-IgA

d. IgA deficient patient with anti-IgA

5

A patient with severe anemia has a pulse of 120 bpm and respirations of 37. Which blood component is indicated?

a. RBCs

b. WB

c. Plasma

d. Platelets

a. RBCs

6

The only acceptable IV solution for transfusion of RBCs is:

a. lactated ringers

b. normal saline

c. dextrose

d. HES

b. normal saline

7

Irradiation of blood components prevents:

a. hives

b. CMV infection

c. GVHD

d. transfusion reactions

c. GVHD

8

Once spiked a unit of RBCs must be transfused within:

a. 1 hour

b. 2 hours

c. 3 hours

d. 4 hours

d. 4 hours

9

Which of the following conditions supports a granulocyte transfusion?

a. neutrophil count >1000/ul

b. sepsis unresponsive to antibiotics

c. nonreversible bone marrow hyperplasia

d. none of the above

b. sepsis unresponsive to antibiotics

10

Which of the following must be crossmatched?

a. plasma and platelets

b. granulocytes and RBCs

c. single donor platelets and RBCs

d. cryoprecipitate and RBCs

b. granulocytes and RBCs

11

A unit of CPDA-1 RBCs is drawn on 11-13-16. What is the post irradiation expiration date?

a. 11-13-16

b. 11-30-16

c. 12-11-16

d. 12-15-16

c. 12-11-16

12

CPDA-1 RBCs usually have a final hematocrit of

a. 30-40%

b. 45-55%

c. 55-65%

d. 65-80%

d. 65-80%

13

Pooled random donor platelet concentrates expire in:

a. 4 hours

b. 6 hours

c. 8 hours

d. 24 hours

a. 4 hours

14

Methods of preparation of random donor platelet concentrates from whole blood must contain a minimum of:

a. 5.5 x 1011 platelets in 50% of units tested

b. 5.5 x 1011 platelets in 75% of units tested

c. 5.5 x 1010 platelets in 75% of units tested

d. it really doesn't matter

c. 5.5 x 1010 platelets in 75% of units tested

15

Which of the following products does not have to be ABO compatilble for transfusion?

a. thawed plasma

b. cryoprecipitate

c. granulocytes

d. RBCs

b. cryoprecipitate

16

Thawed plasma expires in:

a. 24 hours

b. 2 days

c. 4 days

d. 5 days

d. 5 days

17

Single donor platelet pheresis must contain at least:

a. 3.0 x 1011 platelets

b. 4.0 x 1011 platelets

c. 3.0 x 1010 platelets

d. 4.0 x 1011 platelets

a. 3.0 x 1011 platelets

18

Cryoprecipitate must contain __________ units of factor VIII activity:

a. 20

b. 40

c. 60

d. 80

d. 80

19

What is the appropriate temperature for red blood cells (frozen) in 20% glycerol?

-120C

20

What is the appropriate storage temperature for red blood cells (frozen) in 40% glycerol?

-65C

21

What is the appropriate storage temperature for red blood cells (liquid)?

1-6C

22

What is the appropriate storage temperature for fresh frozen plasma (frozen)?

-18 C and lower

23

What is the appropriate storage temperature for thawed plasma?

1-6 C

24

What is the appropriate storage temperature for random donor platelets?

20-24 C

25

What is the appropriate storage temperature for plateletpheresis?

20-24 C

26

What is the appropriate storage temperature for cryoprecipitate (frozen)?

-18 C

27

What is the appropriate storage temperature for cryoprecipitate (thawed)?

20-24 C

28

What is the appropriate storage temperature for granulocytes?

20-24

29

What is the appropriate temperature for thawing fresh frozen plasma?

30-37 C

30

What is the appropriate temperature for thawing cryoprecipitate?

30-37 C