Part B: Brief Answer – Choose one to answer (10 points)

 a. If a pathogenic bacterium enters a skin wound, describe how the adaptive immune system responds to the viral infection. Identify and explain the roles of at least four components of the adaptive immune response, and describe how this process leads to the development of long-term protection.

b. If a pathogenic virus enters a skin wound, describe how the adaptive immune system responds to the viral infection. Identify and explain the roles of at least four components of the adaptive immune response, and describe how this process leads to the development of long-term protection.