9-10

What is autologous blood transfusion?

• Transfusion of blood from a family member

• Transfusion of blood from an anonymous donor

• Collection of blood from multiple donors for one patient

• Collection of blood from a single patient for their own use

What is a primary advantage of autologous blood transfusion?

• Reduced risk of transmission of infection

• Increased cost of blood storage

• Higher risk of transfusion reactions

• Increased demand on allogeneic blood supplies

Which method involves collecting blood from surgical drains?

• Preoperative autologous donation

• Acute normovolaemic haemodilution

• Cell salvage

• Blood component therapy

What is a contraindication for autologous blood donation?

• Scheduled surgery for aortic stenosis

• Patients with rare blood groups

• Patients undergoing elective surgery

• Patients with anxiety about donor blood

What is the storage life of autologous blood at 4°C?

• 42 days

• 35 days

• 21 days

• 14 days

What characterizes an immediate transfusion reaction?

• Symptoms appear after 24 hours

• Symptoms are only psychological

• Symptoms appear during or within 24 hours

• Symptoms are always mild

What is a common symptom of Acute Hemolytic Transfusion Reactions (AHTR)?

• Dizziness

• Skin rash

• Severe headache

• Nausea and vomiting

What type of transfusion reaction is characterized by fever and chills?

• Allergic reaction

• Febrile non-hemolytic transfusion reaction

• Anaphylactic reaction

• Transfusion-related acute lung injury

What can lead to Transfusion-Related Acute Lung Injury (TRALI)?

• Recipient antibodies against donor white blood cells

• Incompatible red blood cells

• Delayed transfusion reactions

• Excessive blood volume

What is a potential consequence of an anaphylactic reaction during transfusion?

• Hypotension

• Increased appetite

• Skin discoloration

• Mild fever