Bb - Donor & Component Prep

59 Questions | Total Attempts: 98

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Bb - Donor & Component Prep

Questions and Answers
  • 1. 
    Rejuvenation of a unit of Red Blood Cells is a method used to:
    • A. 

      Remove antibody attached to RBCs

    • B. 

      Inactivate viruses and bacteria

    • C. 

      Restore 2,3 DPG and ATP to normal levels

    • D. 

      Filter blood clots and other debris

  • 2. 
    The optimum storage temperature for Whole Blood is:
    • A. 

      22 degrees C

    • B. 

      4 degrees C

    • C. 

      -20 degrees C

    • D. 

      -80 degrees C

  • 3. 
    A 17-year-old girl comes to the blood center to donate. She weighs 90 pounds and has a hemoglobin of 13 g/dL. She tells the interviewer that she helped care for her HIV cousin for a week last month. Which condition is cause for rejecting her as a donor?
    • A. 

      Age; she is too young

    • B. 

      Her weight is too low

    • C. 

      Hemoglobin is too low

    • D. 

      Living with HIV positive individual

  • 4. 
    Autologous donors may not donate if they:
    • A. 

      Have a positive titer for syphilis

    • B. 

      Are receiving antibiotics for an infection

    • C. 

      Are taking aspirin

    • D. 

      Are over 65 years old

  • 5. 
    Persons who have injections of human growth hormone are permanently deferred as blood donors. This is because of the possible transmission of:
    • A. 

      Creutzfeldt-Jakob disease

    • B. 

      Trypanosomiasis cruzi

    • C. 

      Babesia microti

    • D. 

      Borrelia burgdoferi

  • 6. 
    Optimum storage temp for platelets
    • A. 

      22 degrees C

    • B. 

      4 degrees C

    • C. 

      -12 degrees C

    • D. 

      -20 degrees C

  • 7. 
    Most effective component to treat a patient with fibrinogen deficiency is:
    • A. 

      Fresh frozen plasma

    • B. 

      Platelets

    • C. 

      Fresh whole blood

    • D. 

      Cryoprecipitated AHF

  • 8. 
    Which condition requires administration of red cells through a blood warmer?
    • A. 

      Exchange transfusion

    • B. 

      Urticaria

    • C. 

      Chronic lymphocytic leukemia

    • D. 

      Graft-vs-host disease

  • 9. 
    Current testing on all donor blood must include:
    • A. 

      Complete Rh phenotyping

    • B. 

      Direct antiglobulin test

    • C. 

      CMV

    • D. 

      Serological testing for syphilis

  • 10. 
    A first time blood donor is noticed to experience rapid breathing and involuntary twitching of his fingers shortly after starting phlebotomy. The phlebotomist should:
    • A. 

      Raise his feet above his head

    • B. 

      Administer oxygen

    • C. 

      Have him rebreathe air from a paper bag

    • D. 

      Have him inhale from an ammonia capsule

  • 11. 
    Whole blood collected from a donor should remain at which temperature (degrees C) prior to separation and preparation of platelet concentrates?
    • A. 

      20 to 24

    • B. 

      1 to 6

    • C. 

      1 to 10

    • D. 

      Varies with the facility

  • 12. 
    What procedure should be followed in order to prevent contamination of FFP during thawing?
    • A. 

      Place the unit directly into a clean waterbath

    • B. 

      Seal the unit in an outer, separate bag prior to placing in the waterbath

    • C. 

      Thaw at 1-6 degrees C

    • D. 

      When half-thawed transfer FFP to another bag

  • 13. 
    Washed Red Blood Cells would be the product of choice for a patient with:
    • A. 

      Multiple red blood cell antibodies

    • B. 

      An increased risk of hepatitis infection

    • C. 

      Warm autoimmune hemolytic anemia

    • D. 

      Anti-IgA antibodies

  • 14. 
    Four units of packed red blood cells were brought to the nurse's station at 10:20 AM. Two units were transfused immediately, one unit was transfused at 10:40 AM. The remaining unit was returned to the blood bank at 11:00 AM. The units were not refrigerated after leaving the blood bank. What problem(s) is (are) present in this situation?
    • A. 

      The only problem is with the returned unit; the 30-minute limit has expired and the unit cannot be used

    • B. 

      The unit should not have been transfused at 10:40 AM because the time limit has expired; this unit and the remaining unit should have been returned to the blood bank

    • C. 

      The returned unit may be held for this patient for 48 hours but cannot be used for another patient

    • D. 

      No problems; all actions were performed with the allowable time limits

  • 15. 
    Transfusion of an irradiated blood product is indicated in all of the following conditions except:
    • A. 

      Exchange transfusion

    • B. 

      Bone marrow transplant

    • C. 

      HIV patient

    • D. 

      Warm autoimmune hemolytic anemia

  • 16. 
    Anti-HTLV-1 has which of the following characteristics?
    • A. 

      High seropositivity among IV drug users

    • B. 

      Endemic in the Caribbean

    • C. 

      Found in patients with adult T-cell leukemia

    • D. 

      All of the above

  • 17. 
    According to AABB standards, Fresh Frozen Plasma must be infused within what period of time following thawing?
    • A. 

      24 hours

    • B. 

      36 hours

    • C. 

      4 hours

    • D. 

      72 hours

  • 18. 
    What component(s) is/are indicated for patients who have anti-IgA antibodies?
    • A. 

      Whole blood

    • B. 

      Packed red blood cells

    • C. 

      Washed, leukocyte-reduced or frozen deglycerolized red blood cells

    • D. 

      Granulocyte preparations

  • 19. 
    Cryoprecipitated AHF must be transfused within what period of time following thawing and pooling?
    • A. 

      4 hours

    • B. 

      8 hours

    • C. 

      12 hours

    • D. 

      24 hours

  • 20. 
    The use of leukocyte-depleted red blood cells and platelet concentrates is indicated for which of the following groups of pateints?
    • A. 

      CMV-seropositive postpartum mothers

    • B. 

      Victims of acute trauma with massive bleeding

    • C. 

      Patients with history of febrile transfusion

    • D. 

      Burn victim with anemia and low serum protein

  • 21. 
    Which of the following contributes to permanent rejection status of a donor?
    • A. 

      A tattoo 5 months previously

    • B. 

      Contact with a patient with viral hepatitis

    • C. 

      Two units of blood transfused 4 months previously

    • D. 

      Confirmed positive test for HBsAg 10 years previously

  • 22. 
    Fresh Frozen Plasma
    • A. 

      contains all labile coaguation factors except cryoprecipitated AHF

    • B. 

      Has a higher risk of transmitting hepatitis than whole blood

    • C. 

      Should be transfused within 24 hours of thawing

    • D. 

      Need not be ABO compatible

  • 23. 
    Which of the following is the proper procedure for preparation of platelets from Whole Blood?
    • A. 

      Light spin followed by a hard spin

    • B. 

      Light spin followed by two hard spins

    • C. 

      Two light spins

    • D. 

      Hard spin followed by a light spin

  • 24. 
    A unit of red blood cells expiring in 35 days is split into five small aliquots using a sterile pediatric quad set and a sterile connecting device. Each aliquot must be labeled as expiring in
    • A. 

      6 hours

    • B. 

      24 hours

    • C. 

      5 days

    • D. 

      35 days

  • 25. 
    A cause for permanent deferral of blood donation is:
    • A. 

      Diabetes

    • B. 

      Residence in an endemic malaria region

    • C. 

      History of jaundice of uncertain cause

    • D. 

      History of therapeutic rabies vaccine

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