Blood components, preparation, storage and transport

Question 1

1. Which of the following is not an action of the chemicals
   contained in common whole blood anticoagulants?
   a. chelates the calcium to prevent blood from clotting
   b. maintains the pH level at optimal levels
   c. provides a substrate for ATP generation
   d. prevents ATP production to increase viability of
   red cells

Answer 1

d. prevents ATP production to increase viability of
red cells

Question 2

2. Which of the following are useful features of adding an
   additive solution to red cells?
   a. further extends the life of the red blood cells
   b. facilitates improved flow during transfusion
   c. provides additional adenine and dextrose for ATP
   generation
   d. all of the above

Answer 2

d. all of the above

Question 3

3. The following are characteristics of blood collection
   sets:
   a. sealed, sterile, and pyrogen free
   b. transparent, flexible, and pliable
   c. one or more satellite bags are attached
   d. allow gas transfer
   e. all of the above

Answer 3

e. all of the above

Question 4

4. Finished red blood cells may be transported at what
   temperature range?
   a. 1 C to 10 C
   b. 2 C to 12 C
   c. 35 C to 37 C
   d. 20 C to 24 C

Answer 4

a. 1 C to 10 C

Question 5

5. Which of the following is not an approved use for a sterile connecting device?
   a. extend the life span of an open system product
   b. pool blood components
   c. aliquot blood products into smaller doses
   d. add a leukoreduction filter
   e. to remove samples for testing

Answer 5

a. extend the life span of an open system product

Question 6

6. Which of the following is not a step in platelet production?
   a. soft spin to sediment red blood cells
   b. hard spin to separate platelets from platelet-rich plasma
   c. separation of all but 40 to 70 mL of plasma from platelets
   d. resting phase at 1 C to 6 C
   e. resting phase at 20 C to 24 C

Answer 6

d. resting phase at 1 C to 6 C

Question 7

7. Irradiated blood components are indicated for the
   following patients except:
   a. neonate requiring an exchange transfusion
   b. a 25-year-old immunocompromised man receiving
   platelets after chemotherapy
   c. a patient receiving a directed donor unit from a
   blood relative
   d. a 43-year-old woman receiving a knee replacement

Answer 7

d. a 43-year-old woman receiving a knee replacement

Question 8

8. Frozen plasma products must be stored at what temperature?
   a. 1 C to 6C
   b. -18C or lower
   c. 20C to 24C
   d. 2 C to 8C

Answer 8

b. -18C or lower

Question 9

9. Leukocyte-reduced red cells can be prepared by the following methods:
   a. in-line whole blood or red blood cell filter
   b. sterile connected leukoreduction filter
   c. bedside filter
   d. all of the above

Answer 9

d. all of the above

Question 10

10. A blood product storage unit should have the following:
    a. a system to monitor temperature continuously
    b. an alarm to alert personnel if temperature limits are
    exceeded
    c. sufficient capacity to store products in an orderly
    manner
    d. SOPs to recover products in the event of a failure
    e. all of the above

Answer 10

e. all of the above

Question 11

11. A red blood cell component prepared in an open systemunit has what outdate?
    a. 4 hours
    b. 12 hours
    c. 24 hours
    d. 35 days
    e. 42 days

Answer 11

c. 24 hours

Question 12

12. Which of the following are required to be on the label of all blood products?
    a. the proper name of the blood component
    b. expiration date and time if applicable
    c. donor category—paid, volunteer, or autologous
    d. storage temperature requirements of the product
    e. all of the above

Answer 12

e. all of the above