disease detectives quizizz!

What is the Epidemiological triad?

• reservoir, agent, host

• agent, host, environment

• portal of entry, portal of exit, host

• none of the above

What are the two types of cohort studies? (select 2)

• prospective

• case-control

• retrospective

• odds ratio

what calculation is used for case control studies?

• relative risk

• odds ratio

• both relative risk and odds ratio

• attack rate

who are the controls in a case control study?

• people with the disease

• strangers so the study is randomized

• people without the disease

• the same people as the case patients

The odds ratio of a given study is 2.9: what does this mean?

• The exposure likely caused the disease because the OR > 1

• The exposure did not cause the disease because OR > 1

• There is a protective effect in place between the exposure and disease

• Not enough information to say

What is the formula for attack rate?

• # sick people / # exposed people

• # sick people / total population

• # deaths / # sick people

• # exposed people / # total population

which analytical study works from EXPOSURE to OUTCOME

• cohort studies

• case control studies

what type of bias is it when the participants don’t remember correctly; cases remember exposures better than controls?

• confounding bias

• recall bias

• interviewer bias

• selection bias

Which type of analytical study design is known for being a long term study?

• retrospective cohort

• prospective cohort

• case control

• depends on the outbreak