CDC Introduction to Epidemiology Questions with Correct Answers 2026 | Complete Study Guide, Practice Test & Verified Solutions

CDC- INTRODUCTION TO EPIDEMIOLOGY
bn bn bn



QUESTIONS WITH CORRECT ANSWERS 2025
bn bn bn bn


Definition b n of b n Epidemiology b n - b n CORRECT b n ANSWER b n -
The b n study b n of b n the b n distribution b n and b n determinants b n of b n health-
related b n states b n or b n events b n in b n specified b n populations, b n and b n the b n application b n of b n this
b n study b n to b n the b n co bnntrol b n of b n health b n problems.




The b n study b n of b n epidemiology b n uses b n - CORRECT
bn b n


b n ANSWER b n - bnstatistics, b n observation, bnbiology




Frequency b n - b n CORRECT b n ANSWER b n -
number b n of b n health b n events b n (number b n of b n cases) b n in b n relationship b n to b n the b n size b n of b n the
b n population




Pattern b n - b n CORRECT b n ANSWER b n -the b n occurrence b n of b n health b n related b n events

bn based b n on- bnTime: b n (annual, b n seasonal, b n weekly)

Place: b n (urban/rural, b n school/work)

Person: b n (risk b n of b n illness, b n sex, b n age, b n economic b n status)



Determinant b n - b n CORRECT b n ANSWER b n -
A b n factor b n or b n event b n that b n is b n capable b n of b n bringing b n about b n a b n change b n in b n the b n health
b n status b n of b n a b n popul bnation.




What b n do b n epidemiologists b n study? b n - b n CORRECT b n ANSWER b n -Both b n communicable b n and b n non-
bncommunicable b n health b n problems




What b n is b n an b n epidemiologist's b n top b n priority b n when b n given b n a b n patient? b n - b n CORRECT
b n ANSWER b n -


Determine b n the b n cause, b n and b n the b n number b n of b n people b n exposed b n to b n it b n (focuses b n on
b n the b n population b n n bnot b n the b n specific bnpatient)

, 400 b n BCE b n - b n CORRECT b n ANSWER b n -
Hippocrates b n tries b n to b n explain b n that b n environmental b n factors b n and b n behaviors b n might
b n influence b n diseas bne




1662 b n CE b n - b n CORRECT b n ANSWER b n -
John b n Graunt b n publishes b n the b n first b n quantifiable b n data b n for b n mortality b n between b n different
b n groups




1800 b n CE b n - b n CORRECT b n ANSWER b n -
William b n Farr b n (the b n father b n of b n viral b n statistics) bnbuilds b n on b n Gaunt's b n work b n by b n collecting,
b n assembling, bnand b n evaluating b n viral bnstatistic b n data




1854 b n CE b n - b n CORRECT b n ANSWER b n -
John b n Snow b n (father b n of b n field b n epidemiology) b n realizes b n through b n data b n and b n observation
b n that b n the b n Bro bnad b n Street b n pump b n was b n the b n source b n of b n a b n cholera b n epidemic




Epidemiologists b n must b n assess b n community b n health b n by b n asking b n bn- b n CORRECT b n ANSWER b n -
1. What b n are b n some b n potential b n and b n current b n health b n problems b n in b n the b n community?

2. Where b n are b n they b n occurring?

3. Are b n there b n specific b n populations b n with b n increased b n risk?

4. Which b n problems b n have b n declined b n over b n time?

5. Which b n ones b n are b n increasing b n or b n have b n the b n potential b n to b n increase?

6. How b n do b n these b n patterns b n relate b n to b n distribution b n of b n health b n care?



How b n do b n epidemiologists b n complete b n the b n clinical b n picture? b n - b n CORRECT b n ANSWER b n -
They b n can b n identify b n the b n cause b n even b n if b n the b n diagnosis b n is b n unknown b n to b n help b n categorize
b n the b n disease




Public b n Health b n Surveillance b n - b n CORRECT b n ANSWER b n -
the b n systematic b n collection, b n analysis, b n and b n interpretation b n of b n health b n data b n to b n gain
b n knowledge b n of b n th bne b n pattern b n of b n disease b n occurrence b n in b n order b n to b n control b n and


b n prevent b n disease b n in b n the b n community.