21) Physical habituation to a drug so that frequent usage necessitates higher and higher dosages to attain similar effects is called ________. A) dependence B) tolerance C) addiction D) potentiation 22) Sue has been using crack for about two months now. Although she knows it is destroying her job performance, and she has already been reprimanded for missing work because of her drug use, she refuses to give it up. She says she can quit whenever she wants to and just uses crack because she enjoys it. She tells others who question her drug use to mind their own business and leave her alone. Sue’s drug use is best described as substance ________. A) use B) misuse C) abuse D) dependence 23) Crystal has been using crack for two years. Her whole life is now oriented around trying to get more crack to feed her habit. She has even prostituted herself to get crack money. Although she has tried repeatedly to give it up, the “crash†is so intense and her cravings for the “rush†that crack gives her are so strong that she just can’t quit. Crystal’s drug use is best described as substance ________. A) use B) misuse C) abuse D) dependence 24) Monique has been using heroin for two years. Lately, she has found she must inject higher and higher dosages of the drug to get the same “high†she has come to expect from her drug use. Her need for higher dosages is best described as ________. A) dependence B) tolerance C) addiction D) potentiation 25) Abstinence syndrome is another name for ________. A) dependence B) withdrawal C) addiction D) potentiation 26) Latoya has alcoholism. When she goes too long without a drink she begins to feel anxious, physically weak, and agitated. Often, she begins shaking and can feel her heart racing. Sue’s symptoms are typical of what is called ________. A) dependence B) tolerance C) addiction D) abstinence syndrome 27) Each of the following is known to produce a withdrawal syndrome EXCEPT ________. A) cocaine B) alcohol C) LSD D) nicotine 28) The DTs are usually limited to ________ who dramatically ________ their intake of alcohol. A) casual drinkers; increase B) moderate drinkers; increase C) chronic alcoholics; increase D) chronic alcoholics; decrease 29) Ali has just gone “on the wagon†and has quit using alcohol “cold turkey.†He is now experiencing sweating, tachycardia, mental confusion, incoherent speech, disorientation, terrifying hallucinations, and extreme restlessness. His symptoms are typical of ________. A) alcohol overdose B) alcohol tolerance C) delirium tremens D) hypnagogic shock 30) Tolerance and withdrawal syndromes are ________ associated with substance dependence. A) never B) rarely C) often D) always