Final answer:
c. leukotrienes Leukotrienes are the chemical mediators involved in prolonging the inflammatory response by increasing vascular permeability and attracting neutrophils through chemotaxis.
Step-by-step explanation:
The chemical mediator involved in prolonging the inflammatory response is leukotrienes. Leukotrienes are inflammatory mediators produced by leukocytes and mast cells that play a crucial role in the inflammatory process. They contribute to increasing vascular permeability, allowing more immune cells to reach the site of inflammation. Additionally, leukotrienes are effective in recruiting neutrophils to the site of infection or injury through a process known as chemotaxis, where they can exert an extended effect on inflammation.
The chemical mediator involved in prolonging the inflammatory response is bradykinin. Bradykinin is released during inflammation and causes vasodilation and increased vascular permeability, leading to swelling and pain. It also stimulates the release of other inflammatory mediators.