We measure toxicity by the dose at which adverse effects are produced. Which of the following statements about the dose of and response to toxic agents are true?
A)Lethal doses of particular toxicants for humans are known through doing laboratory tests on human subjects.
B)Doses are expressed in milligrams of toxicant per kilogram of body weight.
C)Sub-lethal doses usually produce acute toxicity whereas lethal doses produce chronic toxicity.
D)Response to a dose depends only on the type of toxicant and not the age or health of the organism.

Question

Quizplus · Accepted Answer

Doses of toxicants are typically expressed in terms of milligrams of the substance per kilogram of body weight to account for differences in size and mass among individuals. This standardization allows for a more accurate assessment of the toxic potential of substances across different organisms.

We Measure Toxicity by the Dose at Which Adverse Effects