Which of the following is a drug that is commonly abused?   

 All of the above

All of the above options are drugs that are commonly abused. Opioids, cannabinoids, and coca alkaloids are substances that can be misused for their psychoactive effects.

Opioids, such as heroin and prescription painkillers, are known for their pain-relieving and euphoric properties.

Cannabinoids, derived from the cannabis plant, include substances like marijuana and hashish, which produce mind-altering effects.

Coca alkaloids, like cocaine, are derived from the coca plant and are powerful stimulants. These substances have a high potential for abuse and can lead to detrimental effects on physical and mental health.