Component preparation

Question 1

1. Which of the following lists the correct shelf life for the
   component?
   a. Deglycerolized RBCs—24 hours
   b. RBCs (CPD)—35 days
   c. Platelet concentrate—10 days
   d. FFP—5 years
   e. RBCs (CPDA-1)—21 days

Answer 1

a. Deglycerolized RBCs—24 hours

Question 2

2. Each unit of cryoprecipitate prepared from whole blood
   should contain a minimum of how many units of AHF
   activity?
   a. 40 IU
   b. 80 IU
   c. 120 IU
   d. 160 IU
   e. 180 IU

Answer 2

b. 80 IU

Question 3

3. Platelet concentrates prepared by apheresis should contain how many platelets?
   a. 5.5 × 1010
   b. 6 × 1010
   c. 3 × 1011
   d. 5.5 × 1011
   e. 6 × 1011

Answer 3

c. 3 × 1011

Question 4

4. The required storage temperature for frozen RBCs using
   the high-glycerol method is:
   a. 4°C
   b. ≤–20°C
   c. ≤–18°C
   d. ≤–120°C
   e. ≤–65°C

Answer 4

e. ≤–65°C

Question 5

5. How does irradiation affect the shelf life of red blood
   cells?
   a. Irradiation has no effect on the shelf life
   b. The expiration date is 28 days from the date of irradiation or the original outdate, whichever is later
   c. The expiration date is 28 days from the date of irradiation or the original outdate, whichever is sooner
   d. The expiration date is 25 days from the date of irradiation or the original outdate, whichever is later
   e. The expiration date is 25 days from the date of irradiation or the original outdate, whichever is sooner

Answer 5

c. The expiration date is 28 days from the date of irradiation or the original outdate, whichever is sooner

Question 6

6. Once thawed, FFP must be transfused within __________
   hours unless relabeled as thawed plasma:
   a. 4
   b. 6
   c. 8
   d. 12
   e. 24

Answer 6

e. 24

Question 7

7. Quality control for nonadditive RBCs requires a maximum hematocrit level of:
   a. 75%
   b. 80%
   c. 85%
   d. 90%
   e. 95%

Answer 7

b. 80%

Question 8

8. AHF concentrates are used to treat:
   a. Thrombocytopenia
   b. Hemophilia A
   c. Hemophilia B
   d. von Willebrand’s disease
   e. Factor XIII deficiency

Answer 8

b. Hemophilia A

Question 9

9. Prothrombin complex concentrates are used to treat
   which of the following?
   a. Factor IX deficiency
   b. Factor VIII deficiency
   c. Factor XII deficiency
   d. Factor XIII deficiency
   e. Factor V deficiency

Answer 9

a. Factor IX deficiency

Question 10

10. RBCs that have been leukoreduced must contain less
    than ______ leukocytes and retain at least ______ of
    original RBCs.
    a. 8 × 106/85%
    b. 8 × 106/90%
    c. 5 × 106/85%
    d. 5 × 106/80%

Answer 10

c. 5 × 106/85%

Question 11

11. Random-donor platelets that have been leukoreduced
    must contain less than ______ leukocytes.
    a. 8.3 × 105
    b. 8 × 106
    c. 5 × 106
    d. 3 × 1011

Answer 11

a. 8.3 × 105

Question 12

12. A single unit of FFP or PF24 should contain ______ mL
    of plasma.
    a. 100–150
    b. 200–400
    c. 150–250
    d. 50–150

Answer 12

b. 200–400

Question 13

13. Cryoprecipitate that has been pooled in an open system
    must be transfused within ______ hours.
    a. 24
    b. 6
    c. 4
    d. 8

Answer 13

c. 4