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

question 50

Multiple Choice

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