Term
What percent of transfused red cells should be viable 24 hours post transfusion? |
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Definition
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Term
What temperature are RBC's stored at? |
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Definition
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Term
What is the maximum temperature for transporting RBC's? |
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Definition
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Term
What temperature are platelets and granulocytes stored? |
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Definition
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Term
What happens to the pH of stored blood over time? |
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Definition
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Term
What happens to the 2,3-DPG of stored red cells over time? |
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Definition
It decreases. It returns to normal within 24 hours after being transfused. |
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Term
What happens to the amount of ATP in stored blood over time? |
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Definition
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Term
What happens to plasma potassium levels of stored blood over time? |
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Definition
It increases because potassium leaks out of cells. |
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Term
What happens to plasma hemoglobin in stored blood over time? |
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Definition
it increases as cells lyse |
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Term
What is a cellular metabolite that increases over time in stored blood? |
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Definition
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Term
After collecting the whole blood, the first centrifugation is done, separating the blood into what two components? |
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Definition
platelet rich plasma and RBC's. |
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Term
The second centrifugation separates what two components? |
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Definition
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Term
What do you do after separating the platelets from the plasma? |
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Definition
Let the platelets rest for an hour, then rotate them slowly. |
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Term
If something happens to the bag and it becomes an open system, how long can you keep a product stored at 1-6 C? |
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Definition
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Term
If something happens to the bag and it becomes an open system, how long can you keep a product stored at 20-24 C? |
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Definition
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Term
How long can you keep platelets after pooling them? |
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Definition
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Term
What is the minimum dose of radiation targeted to the center portion of the container when irradiating blood components? WHat is the minimum dose for other parts? |
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Definition
25 Gy to the center, 15 Gy to other parts. |
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Term
What is the purpose of irradiating blood components? |
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Definition
to prevent graft vs host reaction. |
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Term
Irradiation prevents proliferation of what cells? |
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Definition
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Term
What two situations call for irradiation of blood products? |
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Definition
immunodeficient patient or recipients of blood from any blood relative |
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Term
When transporting red cells, what do you use to keep them between 1-10 C? |
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Definition
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Term
How long does it take, at room temperature, for rbc's to warm up to 10 C? |
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Definition
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Term
When transporting fresh frozen plasma, what temperature does it have to be kept at? |
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Definition
at or below -18 C. Dry ice is usually used. |
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Term
What is the shelf life of whole blood using CPD? |
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Definition
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Term
What is the shelf life of whole blood using CPDA-1? |
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Definition
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Term
How long can you keep irradiated whole blood? |
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Definition
original outdate or 28 days from date of irradiation, whichever is sooner. |
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Term
What is the maximum hematocrit of packed red cells? |
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Definition
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Term
How long can you keep frozen deglycerolized red blood cells? |
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Definition
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Term
how long can you keep washed red blood cells? |
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Definition
24 hours at 1-6 C after washing. |
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Term
How long can you keep granulocytes from granulocyte pheresis? |
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Definition
24 hours after collection; best if used in 6 hours. |
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Term
After collecting the blood donation, how long do you have to separate platelets from whole blood? |
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Definition
platelets must be separated from whole blood within 8 hours. |
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Term
How long can you keep platelet pheresis from a single donor? |
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Definition
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Term
How long can you keep fresh frozen plasma after thawing? |
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Definition
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Term
How long can you keep FFP if frozen at -18C? |
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Definition
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Term
How long can you keep FFP if frozen at -65C? |
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Definition
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Term
How long can you keep frozen cryoprecipitate? |
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Definition
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Term
How long can you keep cryoprecipitate after thawing? |
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Definition
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Term
What temperature is cryoprecipitate frozen at? |
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Definition
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Term
What temperature is thawed cryoprecipitate stored at? |
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Definition
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Term
How long can you keep cryoprecipitate after pooling? |
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Definition
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