Which of the following statements about dose-response curves is FALSE?
A)A dose-response curve shows the effect of different doses of a toxicant on a population.
B)Doses lower than the threshold level will have no measurable effect on organisms.
C)The smaller the LD₅₀,the more toxic the chemical.
D)Studies of the dose-response curves of toxicants gives us assurance that for all chemicals there is a threshold level of the chemical so small amounts of chemical pollution pose no health risks

Question

Quizplus · Accepted Answer

This statement is false because not all chemicals have a threshold level below which there are no health risks. Some chemicals, like carcinogens, can have harmful effects even at very low doses.

Which of the Following Statements About Dose-Response Curves Is FALSE