California Alcoholic Beverage Control (ABC) Certification Practice Exam

Depressants are psychoactive substances that are characterized by their ability to slow down body functions and suppress the central nervous system, leading to a decrease in physical and mental activity. Option A is incorrect because depressants do not increase alertness, they actually have the opposite effect. Option C is also incorrect because hallucinations are typically associated with psychedelics, not depressants. Lastly, option D is incorrect because depressants do not enhance physical abilities, they tend to have a sedative effect on the body.