30 Questions
What is the primary indication for fresh whole blood transfusion?
Increasing oxygen-carrying capacity and restoring blood volume in emergency situations
What is the expected increase in hematocrit after transfusion of one unit of packed red blood cells?
3% (0.03)
What is the primary purpose of leukocyte-poor or leukocyte-depleted units of packed red blood cells?
To restore oxygen-carrying capacity and intravascular volume
What is the maximum storage time for packed red blood cells with special preservatives?
42 days
What is the expected change in laboratory values after transfusion of packed red blood cells?
Increase in hemoglobin and hematocrit at least 1 hour after transfusion
What type of packed red blood cells may be prescribed for a client with a history of allergic transfusion reactions?
Washed red blood cells
What is the primary purpose of leukocyte depletion in packed cells?
To decrease the amount of white blood cells (WBCs) in a unit
Why may clients receiving multiple units of platelets benefit from receiving only platelets that match their specific HLA?
To prevent alloimmunization to different platelet antigens
What is the typical duration of platelet administration?
15 to 30 minutes
Why must platelets be stored at room temperature?
Because they cannot withstand cold temperatures
What is the expected increase in platelet count after the transfusion of one unit of platelets?
5000 to 10,000 mm3
What is a characteristic of fresh-frozen plasma?
It contains no platelets
What is the primary purpose of the interview before a blood donation?
To identify risk factors that might harm the recipient of the donor's blood
What is the primary purpose of administering cryoprecipitates?
To replace clotting factors, especially factor VIII and fibrinogen
What is the time frame for infusing fresh-frozen plasma?
15 to 30 minutes
What is the primary purpose of administering granulocytes?
To treat a client with sepsis or a neutropenic client with an infection
What is the storage duration of cryoprecipitates?
1 year
What is the primary method of evaluating the effectiveness of fresh-frozen plasma transfusion?
Monitoring coagulation studies and resolution of hypovolemia
What is the primary reason for determining the blood type of a donated unit of blood?
To ensure the compatibility of the blood with the recipient's blood
What is the purpose of hemodilution in blood donation?
To replace the donated blood with a colloid or crystalloid solution
What is the most common cause of transfusion reactions?
Clerical error
What percentage of the population has the Rh antigen present on the surface of their erythrocytes?
85%
What is the purpose of taking samples of the donated blood immediately after donation?
To type and test the blood for antibodies and accurate blood type
What is the primary benefit of knowing the donor's identity in blood donation?
Making the recipient feel more comfortable
What is the primary purpose of crossmatching in blood transfusion?
To determine the compatibility of donor red blood cells with the recipient's serum
Which of the following individuals is at a higher risk of experiencing a febrile nonhemolytic reaction?
An Rh-negative woman who has borne Rh-positive children
What is the consequence of transfusing Rh-positive blood to an Rh-negative client?
The client will develop antibodies to the Rh antigen
What is the term for the transfusion of blood from an O negative donor to a recipient of any ABO blood type?
Universal donation
Which of the following complications is associated with the citrate used in blood preservation?
Hypocalcemia
What is the purpose of asking the client to state their name during the blood sampling process?
To verify the client's identity
Learn about the different blood components used in transfusion, including fresh whole blood, packed red blood cells, and plasma factors. Understand the indications and infusion times for each component.
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