A particular class of drugs is known to bind to specific receptors present in our central nervous system and gastrointestinal tract. Which of the following correctly identifies an example of this class of drugs along with its primary physiological or clinical effect?

Step-by-step solution

The drugs that bind to specific receptors present in our central nervous system and gastrointestinal tract are opioids. Morphine is an example of an opioid. It is a very effective sedative and painkiller, and is very useful in patients who have undergone surgery. Marijuana contains cannabinoids, whose receptors are principally present in the brain. Cocaine is a coca alkaloid that interferes with dopamine transport. Hallucinations are typically caused by excessive dosage of cocaine or by drugs like LSD, not primaril