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13SA

Terms in this set (15)

Which of the following biochemical changes occur during the shelf-life of a unit of donor packed RBCs?
Choose all that apply
-Decreased deformability
-Increased plasma Hgb
-Increased LDH
-Increased extracellular potassium
-Decreased 2,3-DPG
-Increased hemolysis
Which of the following conditions require irradiation of blood products?
Choose all that apply
-Intrauterine transfusion
-HLA-matched platelets
-Inhibition of T-lymphocyte blast transformation and mitotic activity
-Recipient is immunosuppressed
-Recipient has received a bone marrow transplant
-Donor is first-degree relative of recipient
Transfusion of which of the following non-ABO matched units could potentially contain the most antibody directed against ABO antigens?
CPDA-1 pRBCs
In which of the following cases would platelet refractoriness be suspected?
18 hours post-transfusion, PLT count is 50K lower than the expected value
Which of the following is the most frequently used method for freezing blood?
Slow, uncontrolled freezing at -65C or below
The minimum QC requirement for random donor platelets is:
5.5 x 10^10
Transfusion of 1 full unit of CPDA-1 packed red blood cells into a 70 kg adult should:
increase the recipient's Hgb by about 1-1.5 g/dL
Transfusion of 1 single donor plateletpheresis unit should boost the platelet count by:
20-60 K
A patient's platelet count is between 30-75 K. In which of the following circumstances would a platelet transfusion be indicated?
the patient is scheduled for surgery
Which of the following is an example of thrombocytopenia with normal marrow production?
dilutional effect of massive transfusion
Approximately how much fibrinogen is in one unit of fresh frozen plasma (FFP)?
400 mg
What is the approximate volume of all coagulation factors (except fibrinogen) in a 198 mL bag of FFP?
198 IU
Which of the following is currently one of the most common uses of cryoprecipitate?
fibrinogen replacement
Which of the following products must be crossmatched to the recipient's plasma/serum?
granulocytes
Which of the following products has the greatest volume?
AS-1 packed red blood cells
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