What is the consequence of a transfusion reaction?

• A. Increased energy levels
• B. Hemolysis of the transfused blood
• C. Improved blood oxygen levels
• D. No effect on the recipient

Answer: (B)

A transfusion reaction primarily results in hemolysis of the transfused blood. This occurs when the recipient's immune system recognizes the transfused blood as foreign due to incompatible blood types. The immune system then mounts a response against the donor red blood cells, leading to their destruction, known as hemolysis. This can cause a variety of clinical symptoms, such as fever, chills, back pain, and in severe cases, can lead to more serious complications like kidney failure and shock.

The other options do not accurately reflect the physiological responses observed during a transfusion reaction. Increased energy levels and improved blood oxygen levels do not occur; rather, patients may experience symptoms of distress and reduced oxygen-carrying capacity due to the destruction of red blood cells. Additionally, a transfusion reaction is not without effect on the recipient's body; it can significantly complicate the patient's condition, leading to serious health risks.