Question 1

What is the minimum hemoglobin level for a potential autologous donor?

Accepted Answer

A)  11 g/dL 
B)  12 g/dL 
C)  12.5 g/dL 
D)  14 g/dL

Question 2

Which of the following is the only pheresis procedure that requires administration of a growth factor to the donor?

Accepted Answer

A)  plasmapheresis 
B)  plateletpheresis 
C)  leukopheresis 
D)  erythrocytapheresis

Question 3

Normally what percentage of 35-day-old red blood cells should be circulating 24 hours after transfusion?

Accepted Answer

A)  100% 
B)  50% 
C)  65% 
D)  70%

Question 4

A whole blood donation contains a volume of 350 mL. Which of the following is true regarding this unit?

Accepted Answer

A)  Packed red blood cells cannot be made from this unit. 
B)  FFP cannot be made from this unit. 
C)  Cryoprecipitate can be made from this unit. 
D)  Platelets cannot be made from this unit.

Question 5

How many times can a person meeting all the optimal criteria donate an apheresis unit of platelets per year?

Accepted Answer

A)  56 times 
B)  112 times 
C)  24 times 
D)  48 times

Question 6

A blood donor with a history of hepatitis B should be excluded:

Accepted Answer

A)  only if they are jaundiced. 
B)  only if the disease has been active for the last 5 years. 
C)  permanently. 
D)  only if liver function tests are abnormal.

Question 7

Ringer's lactate is characterized as a:

Accepted Answer

A)  colloid. 
B)  crystalloid. 
C)  antithrombotic. 
D)  albumin derivative.

Question 8

Which organism is responsible for transmitting Chagas disease?

Accepted Answer

A)  Treponema pallidum 
B)  Trypanosoma cruzi 
C)  Yersinia enterocolitica 
D)  Plasmodium vivax

Question 9

If a prospective blood donor has participated in a pheresis donation (platelets, plasma, granulocytes), at least how much time must pass before they can donate whole blood?

Accepted Answer

A)  56 days 
B)  48 hours 
C)  24 hours 
D)  4 weeks

Question 10

Leukoreduced packed RBCs must have an absolute white blood cell count of less than and contain at least what percent of original RBC mass?

Accepted Answer

A)  5 F1F1F1S1F1F1F10 108/85 
B)  5 F1F1F1S1F1F1F10 106/85 
C)  5 F1F1F1S1F1F1F10 108/80 
D)  5 F1F1F1S1F1F1F10 106/80

Question 11

What is the expiration time for platelet concentrates that have been pooled?

Accepted Answer

A)  24 hours 
B)  6 hours 
C)  4 hours 
D)  48 hours

Question 12

A world traveler came in to do a directed donation for his sister when he found out she needed surgery for her hip. After spending 5 weeks in Europe, he traveled extensively throughout Africa. How should his case be handled?

Accepted Answer

A)  Because he is donating to his sister, and she signed consent, he may donate for her. 
B)  He meets all the criteria for being a directed donor, so would be able to donate without any problem. 
C)  He would not be able to donate, because all directed donors must meet the same criteria as allogeneic donors. 
D)  He could donate, but only with the consent of the medical direct and physician.

Question 13

What dose of RhIG would be appropriate for a D-negative woman who has had a miscarriage at 11 weeks gestation?

Accepted Answer

A)  300 µg 
B)  120 µg 
C)  50 µg 
D)  All of the above

Exam 13: Donor Screening and Component Preparation