epidemiology

Question 1

define epidemiology?

Answer 1

study of population in order to determine frequency and distribution of disease

Question 2

name the 3 types of epidemiology

Answer 2

descriptive
analytic
intervention

Question 3

descriptive epidemiology involves what to measurements of disease frequency?

Answer 3

prevalence and incidence

Question 4

measurement of all individuals affected by the disease within a particular period of time or point in time is known as?

Answer 4

prevalence

Question 5

number of existing cases in a population is?

Answer 5

prevalence

Question 6

what type of study is used to determine prevalence?

Answer 6

cross sectional

Question 7

measurement of number of new individuals who contract a disease during a particular period of time is?

Answer 7

incidence

Question 8

name some sampling techniques

Answer 8

simple random sample
systemic sample
stratified sample
cluster sample
must stage sample

Question 9

in order to measure disease u need an appropriate index, what criteria must a good index follow?

Answer 9

clear, unambiguous and not subjective
corresponds with clinically important stage of disease
indicates treatment need
reproduceable
not time consuming
allow comparison with other studies

Question 10

give 3 examples of indices?

Answer 10

periodontal index
fluoride index
DMFT index