BI CFA: Problems 4-5 — Environment & Public Health

A short unit check. Enter your Student ID and answer each item. This is a growth check, not a grade.

1. 1. The dose-response idea in toxicology says that, in general:

   AThe amount of exposure affects the size of the harmful effectBAny amount of any chemical is equally harmfulCDose never mattersDOnly the color of a chemical matters

2. 2. Two variables rise together over time. The most careful conclusion is:

   AThey are correlated, but one may not cause the otherBOne definitely causes the otherCThey are unrelatedDThe graph must be wrong

3. 3. Incidence counts ____, while prevalence counts ____.

   Anew cases in a period; all existing cases at a timeBall existing cases; new cases onlyCdeaths; birthsDthe same thing twice

4. 4. A public-health message works best when it is:

   ATailored to the audience's reading level and cultureBFull of unexplained jargonCThe same dense paragraph for everyoneDHidden from the public

Enter your Student ID to submit.