They die and release endotoxin. There is a lower incidence of malaria among Black Americans. Sickle cell anemia results in crescent shaped cells which prevent growth of malaria. Explain why eyes are considered a first line of defense against disease. A. fights recurring infections.
Leukocytes are a second line of defense against disease.
Explain how eosinophils are involved in this process. Explain the role of lymphocytes as defense against disease. Define neutropenia and give an example of a disease that causes it. Measles, radiation, drugs, influenzae. Discuss the etiology of tuberculosis and explain why it is important to differentiate between tuberculosis and nontuberculosis mycobacteria.