Which statement about retrospective studies and prospective toxicity studies is correct?

Which statement about retrospective studies and prospective toxicity studies is correct?










(a) Retrospective studies are not conducted on humans.
(b) Prospective studies are only conducted on wildlife.
(c) Retrospective studies monitor health effects from future chemical exposures.
(d) Prospective studies monitor health effects from future chemical exposures.
(e) Prospective studies monitor health effects from past chemical exposures.












Answer: D


AP Environmental Science

Learn More Multiple Choice Question :