Blood Transfusion Components and Indications

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What is the primary indication for fresh whole blood transfusion?

Enhancing the immune response in patients with immunodeficiency disorders

Treating bleeding disorders in patients with a deficiency of plasma factors

Increasing oxygen-carrying capacity and restoring blood volume in emergency situations (correct)

Providing platelet concentrates to patients with low platelet counts

What is the expected increase in hematocrit after transfusion of one unit of packed red blood cells?

2% (0.02)

1% (0.01)

3% (0.03) (correct)

4% (0.04)

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 (correct)

To provide platelet concentrates to patients with low platelet counts

To reduce the risk of allergic transfusion reactions

To enhance the immune response in patients with immunodeficiency disorders

What is the maximum storage time for packed red blood cells with special preservatives?

42 days Signup and view all the answers

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 Signup and view all the answers

What type of packed red blood cells may be prescribed for a client with a history of allergic transfusion reactions?

Washed red blood cells Signup and view all the answers

What is the primary purpose of leukocyte depletion in packed cells?

To decrease the amount of white blood cells (WBCs) in a unit Signup and view all the answers

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 Signup and view all the answers

What is the typical duration of platelet administration?

15 to 30 minutes Signup and view all the answers

Why must platelets be stored at room temperature?

Because they cannot withstand cold temperatures Signup and view all the answers

What is the expected increase in platelet count after the transfusion of one unit of platelets?

5000 to 10,000 mm3 Signup and view all the answers

What is a characteristic of fresh-frozen plasma?

It contains no platelets Signup and view all the answers

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 Signup and view all the answers

What is the primary purpose of administering cryoprecipitates?

To replace clotting factors, especially factor VIII and fibrinogen Signup and view all the answers

What is the time frame for infusing fresh-frozen plasma?

15 to 30 minutes Signup and view all the answers

What is the primary purpose of administering granulocytes?

To treat a client with sepsis or a neutropenic client with an infection Signup and view all the answers

What is the storage duration of cryoprecipitates?

1 year Signup and view all the answers

What is the primary method of evaluating the effectiveness of fresh-frozen plasma transfusion?

Monitoring coagulation studies and resolution of hypovolemia Signup and view all the answers

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 Signup and view all the answers

What is the purpose of hemodilution in blood donation?

To replace the donated blood with a colloid or crystalloid solution Signup and view all the answers

What is the most common cause of transfusion reactions?

Clerical error Signup and view all the answers

What percentage of the population has the Rh antigen present on the surface of their erythrocytes?

85% Signup and view all the answers

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 Signup and view all the answers

What is the primary benefit of knowing the donor's identity in blood donation?

Making the recipient feel more comfortable Signup and view all the answers

What is the primary purpose of crossmatching in blood transfusion?

To determine the compatibility of donor red blood cells with the recipient's serum Signup and view all the answers

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 Signup and view all the answers

What is the consequence of transfusing Rh-positive blood to an Rh-negative client?

The client will develop antibodies to the Rh antigen Signup and view all the answers

What is the term for the transfusion of blood from an O negative donor to a recipient of any ABO blood type?

Universal donation Signup and view all the answers

Which of the following complications is associated with the citrate used in blood preservation?

Hypocalcemia Signup and view all the answers

What is the purpose of asking the client to state their name during the blood sampling process?

To verify the client's identity Signup and view all the answers