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Modern Blood Banking Study Set 1

Medicine

Quiz 17 :

Adverse Effects of Blood Transfusion

Quiz 17 :

Adverse Effects of Blood Transfusion

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Which of the following products may lead to sepsis in a patient when contaminated with Escherichia coli?
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D

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Treatment of post-transfusion purpura (PTP) with is not advocated in medical practice.
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C

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A patient transfused with 2 units of packed cells spiked a fever of 99.5°F and complained of chills 3 days after transfusion. The DAT was positive with polyspecific antisera and anti-IgG but negative with anti-C3d. Compatibility testing was performed on the pre- and post-transfusion specimens. The latter was incompatible with one of the donor units transfused. An antibody screen was done on both the pre- and post-transfusion specimens. An antibody was detected in the post-transfusion specimen only and identified by panel studies as anti-Jka. This transfusion reaction is most likely caused by:
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B

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All of the following are diseases that can mimic a transfusion reaction except:
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The plasma level of unconjugated bilirubin is elevated in:
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A transfusion reaction investigation should include all of the following except:
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Why is an FNHTR said to be a "diagnosis of exclusion"?
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For a patient who has suffered an acute hemolytic transfusion reaction, the primary treatment goal should be to:
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A 41-year-old multiparous woman was rushed to the emergency room after being shot in the chest. She received 8 units of packed red blood cells and 5 units of platelets. The hemoglobin and hematocrit determinations stabilized after 6 hours in surgery, but the platelet counts remained less than 50,000 per µL. She had received additional units of platelets at 48-hour intervals with little efficacy. Her serum was tested for platelet antibodies. She was placed on corticosteroids to control chest wound bleeding. Anti-PLA1 was identified in the patient's serum. This case is representative of what type of transfusion reaction?
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A 35-year-old woman was transfused with 1 unit of packed red blood cells. The nurse monitoring the transfusion noticed hives on the patient's arm and an increase in body temperature. What is the choice of treatment for this patient?
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Which of the following questions should be asked when investigating a transfusion reaction?
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What would be the result of group B blood given to a group O patient?
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Which of the following statements is false?
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What groups are at risk for graft-versus-host disease (GVHD) as a result of transfusion?
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Persons with a documented history of anaphylactic reactions should be transfused with blood products.
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What should be done in the transfusion process when the patient temperature spikes from 37.5°C to 38.5°C within 30 minutes of transfusion?
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A patient with two or more documented febrile nonhemolytic transfusion reactions (FNHTRs) should receive blood components.
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A negative direct antiglobulin test (DAT) is found in all of the following transfusion reactions except:
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Which of the following is an indicator of acute immune hemolytic transfusion reaction?
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What measure can be taken to prevent transfusion-associated hypothermia?
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