In Toxicology Studies,LD50 Is Best Described as ________________

Multiple Choice

In toxicology studies,LD50 is best described as ________________.

A) the dose at which at least 50% of the exposed population is not affected by the toxicant
B) the dose at which 50% of an exposed population is killed
C) the dose at which 50% of an exposed population develops a chronic effect from the toxicant
D) the dose at which 50% of an exposed population develops disease