Automated Collection of blood products

Question 1

1. Most apheresis equipment uses which of the followingmethods for separation?
   a. separation by centrifugation
   b. separation by membrane filtration
   c. separation by adsorption
   d. separation by osmosis

Answer 1

a. separation by centrifugation

Question 2

2. “Surge” elutriation and the Latham bowl technology are used by which system?
   a. COBE Spectra
   b. Haemonetics MCS
   c. Baxter CS-3000
   d. Fresenius AS 104

Answer 2

b. Haemonetics MCS

Question 3

3. Cellular components for transfusion that may be collected by apheresis include:
   a. platelet concentrates
   b. granulocyte concentrates
   c. hematopoietic progenitor cells
   d. all of the above

Answer 3

d. all of the above

Question 4

4. AABB standards allow plateletpheresis procedures on a donor up to _____ times in 1 year.
   a. 12
   b. 18
   c. 24
   d. 34

Answer 4

c. 24

Question 5

5. If a donor donates a unit of whole blood or if it is impossible to return the donor’s red cells during plateletpheresis, at least _____ weeks should elapse before a
   subsequent plateletpheresis procedure.
   a. 2
   b. 4
   c. 6
   d. 8

Answer 5

d. 8

Question 6

6. If a unit of plateletpheresis component contains visible red cells, a hematocrit should be determined. The FDA guidelines require a sample for compatibility be attached to the platelet container if more than _____ mL of red cells are present.
   a. 2
   b. 3
   c. 4
   d. 5

Answer 6

a. 2

Question 7

7. If collection of concurrent plasma is performed on a plateletpheresis donor more often than once every_____ weeks, additional testing of the donor is required.
   a. 4
   b. 6
   c. 8
   d. 12

Answer 7

c. 8

Question 8

8. AABB standards require that granulocyte components collected by apheresis contain a minimum of ______granulocytes in about 75% of units tested.
   a. 1.0 X 10_10
   b. 5.5 X 10_10
   c. 3.0 X 10_10
   d. 1.5 X 10_10

Answer 8

a. 1.0 X 10_10

Question 9

9. Therapeutic cytapheresis includes:
   a. thrombocytapheresis
   b. leukapheresis
   c. erythrocytapheresis
   d. all of the above

Answer 9

d. all of the above

Question 10

10. The collection of blood components through automated blood collections has an impact on:
    a. the blood supply
    b. the donor recruiting process
    c. the blood center and transfusion services operations
    d. all of the above

Answer 10

d. all of the above