When a new treatment is developed that delays deaths but does not produce recovery from
a chronic disease, which of the following will occur.
a) Prevalence of the disease will decrease
b) Incidence of the disease will increase
c) Prevalence of the disease will increase
d) Incidence of the disease will decrease
e) Incidence & prevalence of the disease will decrease
Key: True: c
If the number of deaths from tuberculosis is expressed in relation to the total mid year
population, it is:
a) Case fatality rate
b) Age specific death rate
c) Proportionate mortality rate
d) Crude death rate
e) Cause specific death rate
Key: True: e