4.Which of the following is more likely to cause an infection?
a) Gonorrhea - ID50 = 1,000 cells
b) Giardiasis - ID50 = 10 cells
c) Typhoid fever - ID50 = 10,000 cells
d) Cholera - 1, 000,000,000 cells
5.Select the mismatch. Select all that apply
a) prevalence of an infection - number of new cases over a time period
b) point-source epidemic - infectious agents that came from a single source.
c) Epidemic - a disease that is commonly found in a region.
d) Incidence of an infection - overall number of an infection in a population
e) endemic - a disease that is easily spread
f) morbidity rate - overall death rate
g) index case - first case that brought an epidemic
h) mortality rate - total number of deaths in a population
6.HIV infection may not lead to AIDS for many years or decades. HIV/AIDS is best described as
a) chronic disease
b) morbid disease
c) acute disease
d) Idiopathic