What is primarily delivered to injured tissue during the inflammatory response phase?

• A. Red blood cells and plasma
• B. Platelets and antibodies
• C. Leukocytes and phagocytic cells
• D. Fibrin and collagen

Answer: (C)

During the inflammatory response phase, the primary components delivered to injured tissue are leukocytes and phagocytic cells. This phase is crucial for the body's healing process, as it responds to injury or infection.

Leukocytes, or white blood cells, play a key role in fighting off pathogens and preventing infection. They travel to the site of injury to engulf and digest debris and foreign substances through a process known as phagocytosis. Phagocytic cells include neutrophils and macrophages, which are vital in clearing dead cells and pathogens, and facilitating the healing process by releasing growth factors and signaling molecules that promote tissue repair.

The presence of these cells indicates that the body is actively attempting to address the injury and lay the groundwork for recovery. This process sets the stage for subsequent healing phases, including tissue regeneration and repair. In summary, the delivery of leukocytes and phagocytic cells is essential for the initial response to injury, ensuring that the healing process can begin effectively.