Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 9

Regular use of a drug usually results in one or more of the following: A behavioral pattern of drug abuse that is marked by an overwhelming and compulsive desire to obtain and use the drug is called an (a) _____. If the nervous system becomes accustomed to having the drug and needs the drug for normal functioning, the user is said to have developed a (b) _____. If a habitual user suddenly stops taking the drug, he or she will experience unpleasant or painful (c) _____. After using a drug over a period of time, a person must take a larger dose to achieve the original behavioral effect because this person has developed a (d) _____ for the drug.