John needs to continue to take doses of morphine to avoid withdrawal illness symptoms. John is demonstrating
A)physical dependence.
B)psychological tolerance.
C)physical tolerance.
D)psychological dependence.

Question

John needs to continue to take doses of morphine to avoid withdrawal illness symptoms. John is demonstrating
A)physical dependence.
B)psychological tolerance. ​
C)physical tolerance. ​
D)psychological dependence. ​

Quizplus · Accepted Answer

John is demonstrating physical dependence because he needs to continue taking morphine to avoid withdrawal symptoms, which is a physical process.

John Needs to Continue to Take Doses of Morphine to Avoid