Blood types

What is the main purpose of a blood transfusion?

• To receive blood or elements of blood through an intravenous infusion

• To donate blood to another person

• To test blood for diseases

• To separate blood into its components

Which component of blood is found at the bottom when blood is spun in a centrifuge?

• Erythrocytes

• Plasma

• Buffy coat

• Platelets

What type of blood transfusion involves receiving blood from an anonymous donor?

• Homologous transfusion

• Autologous transfusion

• Whole blood transfusion

• Packed red blood cell transfusion

Why is it important to know the blood typing of both the donor and the recipient before a transfusion?

• To prevent hemolytic transfusion reactions

• To ensure the blood is fresh

• To check for diseases

• To determine the blood's oxygen level

What blood type is considered the universal donor?

• Type O

• Type A

• Type B

• Type AB