SOLVED

46. Jolynn took a drug that caused the following symptoms: she felt wide awake and friendly, and had no interest in lunch despite not having eaten since the night before. After taking a second dose of the drug, she became nervous and confused and developed a severe headache. Which of the following drugs did Jolynn probably take? A) alcohol B) marijuana C) barbiturates D) amphetamines 47. Which of the following are withdrawal symptoms from caffeine? A) headaches B) anxiety C) fatigue D) All of the above choices are correct. 48. Chronic use of methamphetamine A) was condoned by Freud. B) is rarely correlated with use of other drugs. C) actually enhances cognitive abilities. D) may result in smaller hippocampal volume. 49. One of the difficulties in conducting studies of the specific effects of methamphetamine is that A) its use is very rare. B) many users have also used other substances. C) individuals who use it are particularly likely to also use crack. D) most users live in rural areas. 50. In the 1980’s a new form of cocaine which comes in a rock crystal form was introduced and called A) amphetamine. B) methamphetamine. C) crack. D) freebase. Â Â