Answer to Question 1
C
True drug addiction is identified as regular use of drugs. Physical dependence may be present. Social functioning has a drug focus. With experimentation, the individual tries the drug to see what it is like or to satisfy peers. Early drug use is identified as using drugs with some degree of regularity for their desirable effects. In severe drug addiction, the physical condition of the individual deteriorates and all activities are related to drug use.
Answer to Question 2
C
The primary affect of substance abuse is on the brain and residually on the rest of the body. Although an excessive amount of a chemical can cause cardiac abnormalities, the brain is the most commonly affected organ. Long-term alcohol use is known to impair the liver; however, brain function is decreased by any amount of alcohol intake. The pulmonary system is not the primary target; however, one commonly abused drug known to cause pulmonary problems is tobacco.
Marijuana
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