Problem
A. Describe the meaning of infection.
B. Describe the meaning of pathogenic and non-pathogenic microorganisms.
C. Describe the meaning of an infectious disease.
D. Indicate one body site in healthy human body where each of the above 3 indicated microbes may be found as normal flora.
E. Indicate one example of disease that each of the above 3 microbes may cause in hospital patients.
F. Describe one physical and one chemical method of disinfecting objects contaminated with the microbes in the hospital rooms.