Question:
1. Compare and contrast type l hypersensitivity with type IV hypersensitivity with respect to reaction time, mediators, and cell involved.
2. Explain the relationship between chickenpox and shingles, paying special attention to the pathogenic processes and transmission of each of these diseases.
3. Why is immunity to the common cold so hard to develop, either naturally or through vaccines?
4. Describe the pathogenesis of tuberculosis, paying special attention to the characteristics of Mycobacterium tuberculosis that make it so pathogenic.
5. List and describe three virulence factors associated with bacteria that cause gastroenteritis.