Which of the following describes synthetic cannabinoids?

Synthetic cannabinoids are substances designed to mimic the effects of THC, the active compound in marijuana. The correct description of synthetic cannabinoids is that they are herbal mixtures infused with man-made chemical compounds that interact with the cannabinoid receptors in the brain. Unlike natural cannabis, which is derived from the cannabis plant, synthetic cannabinoids are created in laboratories using various chemical processes.

These synthetic agents can be significantly more potent than traditional marijuana, often leading to unpredictable and dangerous effects. The term encompasses an array of substances that are not simply natural or organic compounds, which is why the other options are not applicable. By clearly distinguishing synthetic cannabinoids as being composed of chemical mixtures, option B accurately captures their synthetic nature and the manner in which they are typically marketed and consumed.