Epidemiology

Question 1

The ongoing, systematic collection, analysis, and
interpretation of health-related data essential to
planning, implementation, and evaluation of
public health practice.

Answer 1

Public health surveillance

Question 2

The study of the distribution and
determinants of health-related
states or events (including
disease), and the application of
this study to the control of
diseases and other health
problems.

Answer 2

Epidemiology

Question 3

Number of new cases that develop in a given period of time

Answer 3

Incidence

Question 4

Proportion of individuals in a population that have the disease in a period of time

Answer 4

Prevalence

Question 5

If the incidence remains the same with the death/cure increasing, how is prevalance affected?

Answer 5

Decreases

Question 6

PROPORTION OF DISEASED
CORRECTLY IDENTIFIED

Answer 6

Sensitivity

Question 7

PROPORTION OF NON-DISEASED
CORRECTLY IDENTIFIED

Answer 7

Specifiicity

Question 8

How do you calc sensitivity

Answer 8

Number of true positive/ total # with ds

Question 9

How do you calc specficity

Answer 9

Number of true negs/ total # without ds

Question 10

How is incidence calc?

Answer 10

of new cases/persons at risk