BB Exam D Extra Questions Flashcards

1
Q

____ 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?

A

48 hours

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2
Q

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

A

c.permanently deferred.

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3
Q

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

A

4 weeks

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4
Q

____ 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?

A

No, she needs to wait 6 more months.

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5
Q

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

A

d. 14 days

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6
Q

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

A

.12.5 g/dL

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7
Q

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

A

11 g/dL

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8
Q

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

A

FFP cannot be made from this unit.

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9
Q

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

A

leukopheresis

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10
Q

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

A

HIV, WNV, HCV

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11
Q

____ 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

A

11/15/12

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12
Q

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

A

80%.

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13
Q
  1. Leukoreduced packed RBCs must have an absolute white blood cell count of less than and contain at least what percent of original RBC mass?
A

5 x 10(6)/85

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14
Q

What is the minimum pH required for platelets?

A

6.2

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15
Q
  1. Cryoprecipitate is indicated for all of the following disorders except:
A

hemophilia B.

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16
Q

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

A

50 µg

17
Q

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?

A

50,000/µL

18
Q

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

A

All of the above

19
Q

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

A

72 hours

20
Q

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

A

70%

21
Q

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

A

24

22
Q

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

A

cryo