IMH FINALS: Blood Transfusion and Blood Component Preparation

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What is the primary purpose of using blast freezers in component preparation?

To decrease the volume of plasma

To increase the shelf life of whole blood

To reduce the hematocrit level

To enhance clotting factor recovery (correct)

What is the indication for using whole blood for transfusion?

To provide oxygen-carrying capacity and volume expansion (correct)

To increase the platelet count in patients

To enhance the immune system of the recipient

To treat patients with anemia and cardiac failure

What is the shelf life of whole blood units when irradiated?

35 days

40 days

28 days (correct)

21 days

What is the primary difference between packed red blood cells and whole blood?

The presence of plasma Signup and view all the answers

What is the indication for using irradiated RBCs?

To prevent transfusion-associated graft-versus-host disease Signup and view all the answers

What is the minimum dose of gamma irradiation required for RBCs?

25 Gy Signup and view all the answers

What is the purpose of washing RBCs?

To remove plasma proteins Signup and view all the answers

What is the indication for using leukoreduced RBCs?

To prevent febrile reactions in patients Signup and view all the answers

What is the shelf life of packed RBCs in an open system?

24 hours Signup and view all the answers

What is the effect of transfusing 10 mL/kg of RBCs with a hematocrit level of 80% in a neonate?

Increase the hemoglobin level by 3 g/dL Signup and view all the answers

What is the primary purpose of blood transfusion?

To treat inadequate oxygen-carrying capacity and insufficient coagulation proteins Signup and view all the answers

What is the difference between autologous and allogenic transfusions?

Autologous is when the donor and recipient are the same, allogenic is when the donor and recipient are different Signup and view all the answers

What is the primary advantage of component therapy?

It enables the transfusion of specific blood components needed by the patient Signup and view all the answers

What is the purpose of centrifugation in blood component preparation?

To separate blood components Signup and view all the answers

What is the purpose of apheresis in blood component preparation?

To collect targeted blood components Signup and view all the answers

What is the name of the equipment used to spin whole blood in component preparation?

Blood Bank Centrifuge Signup and view all the answers

What is the purpose of tube sealers in component preparation?

To connect blood bags Signup and view all the answers

What is the name of the plasma-derived component used to treat hepatitis B?

Hepatitis B immune globulin Signup and view all the answers

What is the name of the blood component that carries oxygen?

Red blood cell concentrate Signup and view all the answers

Why is dividing a unit of whole blood into components a common practice?

To optimize the use of blood as a therapeutic material Signup and view all the answers

What is the effect of radio frequency energy on PVC?

It melts the material Signup and view all the answers

What is the purpose of a blood component tubing sealer?

To melt and seal the tubing Signup and view all the answers

Where are the seals usually placed on red blood cell components?

At strategic locations with a serial number Signup and view all the answers

What is the primary function of plasma expressors?

To apply pressure to the blood bag Signup and view all the answers

What is an advantage of automated expressors compared to manual counterparts?

They provide more consistent product quality Signup and view all the answers

What is a feature of the Compomat G5 expressor?

A barcode scanner Signup and view all the answers