Question

LD50 is used to express _____.

blood-alcohol levels
levels of impairment
toxicity of toxins and poisons
the amount of illicit drugs found in the system

Answer 1

The answer is option C.

Step-by-step explanation:

LD50 remains for Lethal Dose 50. This is the standard proportion of the poisonous quality of a material, which will kill half of the example populace of a specific guinea pig in a characterized day and age, when they are presented to the material.

Answer 2

LD50 is used to express TOXICITY OF TOXINS AND POISONS.
LD50 stands for Lethal Dose 50. This is the standard measure of the toxicity of a material, which will kill half of the sample population of a particular test animal in a defined time period, when they are exposed to the material.