Epidemology quiz

Question 1

Mortality rates in a population usually vary most with which one of the following “person” variables?
a. sex
b. Age
c. Ethnic Group
d. Occupation

Question 2

The middle value or mid-point in a set of values is the
a. Mean
b. Median
c. Mode
d. All of the above

Question 3

The measure of central tendency that would be the most affected by the presence of a few extreme values in a set is the
a. Mean
b. Median
c. Mode
d. All of the above

Question 4

Which of the following could explain why the prevalence of a disease in the community is increasing?
a. The incidence of the disease is increasing.
b. New drugs are improving survival rates for the disease.
c. A new screening program has occurred to detect early cases of the disease.
d. All of the above

Question 5

The reason epidemiologists calculate age-adjusted rates is
a. Because crude rates are notoriously inaccurate
b. To fairly depict the rate in each age group in the population
c. To answer the question “What would be the rate in each population if they had identical age distribution?”
d. To compare the age-distribution of one population to another.