Final answer:
Obsessing about where to buy cocaine is a sign of psychological dependence, not physical dependence, because it is related to drug craving rather than physiological symptoms.
Step-by-step explanation:
The signs of physical dependence related to cocaine use all involve physiological changes and adaptations to the presence of the drug in one's system. This would include withdrawal symptoms when the drug is not used, and the need for increased amounts of the drug to achieve the same effects, known as tolerance. However, obsessing about where to buy it, which is referred to as psychological dependence, is not a sign of physical dependence. Therefore, the correct answer to the question 'All of the following are signs of physical dependence related to cocaine EXCEPT' would be A. obsessing about where to buy it. This is because obsessing over the drug pertains more to the psychological aspect of addiction, such as drug craving, rather than the physiological symptoms that characterize physical dependence.