BB Exam D Extra Questions

Question 1

____ 1. If a prospective blood donor has participated in apheresis donation (platelets, plasma, granulocytes), at least how much time must pass before they can donate whole blood?

Answer 1

48 hours

Question 2

____ 2. A whole blood donor who has taken Tegison should be:

Answer 2

c.permanently deferred.

Question 3

____ 3. What is the deferral period for a donor who has received a live attenuated vaccine for rubella?

Answer 3

4 weeks

Question 4

____ 4. A woman received a transfusion of packed RBCs while delivering her baby. Six months later she wanted to donate a unit of blood back to the American Red Cross. If the woman meets all other criteria for donation, is she allowed to donate at this time?

Answer 4

No, she needs to wait 6 more months.

Question 5

____ 5. A patient who recently stopped taking clopidogrel (Plavix) needs to donate platelets. How long must the patient defer donation after completing the medication?

Answer 5

d. 14 days

Question 6

____ 6. What is the minimum hemoglobin level for a potential allogeneic donor?

Answer 6

.12.5 g/dL

Question 7

____ 7. What is the minimum hemoglobin level for a potential autologous donor?

Answer 7

11 g/dL

Question 8

____ 8. A whole blood donation contains a volume of 350 mL. Which of the following is true regarding this unit?

Answer 8

FFP cannot be made from this unit.

Question 9

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

Answer 9

leukopheresis

Question 10

____ 11. Nucleic acid amplification testing (NAT) is performed for which of the following?

Answer 10

HIV, WNV, HCV

Question 11

____ 12. A unit of red blood cells has an expiration date of 11/15/12. A patient currently on a fludarabine regimen requires irradiated packed red blood cells. The unit is irradiated for this patient on 11/02/12. What is the correct expiration date post-irradiation?
11/15/12

Answer 11

11/15/12

Question 12

____ 13. Packed RBCs must have a final hematocrit of less than or equal to:

Answer 12

80%.

Question 13

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

Answer 13

5 x 10(6)/85

Question 14

What is the minimum pH required for platelets?

Answer 14

6.2

Question 15

17. Cryoprecipitate is indicated for all of the following disorders except:

Answer 15

hemophilia B.

Question 16

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

Answer 16

50 µg

Question 17

A patient has a baseline platelet count of 30,000/µL. Upon receiving a platelet pool of 4 random platelets, what would you expect the post-transfusion platelet count to be?

Answer 17

50,000/µL

Question 18

Which of the following are approved preservative solutions for blood storage at 1°C to 6°C for 21 days?
ACD
CP2D
CPD
All of the above

Answer 18

All of the above

Question 19

An autologous unit should be donated what time period prior to the patient’s surgery/need?

Answer 19

72 hours

Question 20

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

Answer 20

70%

Question 21

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

Answer 21

24

Question 22

Which of the following products does not necessarily need to be ABO-compatible in order to be transfused?

Answer 22

cryo