What is the main difference between morphine and heroin?
A)Morphine is more potent than heroin.
B)Heroin takes much longer to metabolize.
C)Heroin more readily penetrates the blood-brain barrier.
D)Morphine is more lipid-soluble

Question

Quizplus · Accepted Answer

Heroin has a chemical structure that allows it to more easily cross the blood-brain barrier, which quickly delivers it to the brain and produces a faster onset of effects compared to morphine. This is also why heroin is considered more addictive than morphine.

What Is the Main Difference Between Morphine and Heroin