Question

question 11
a substance that causes physiological or psychological dependence.
○ medical substance
○ prescription drug
○ addictive substance
○ preventative drug

Explanation:

The question defines a substance causing physiological or psychological dependence. "Addictive substance" directly matches this definition, as addiction involves such dependence. Other options (medical substance, prescription drug, preventative drug) describe uses but not dependence-causing properties.

Answer:

Addictive substance