12 Drug abuse – 2
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1. Under the Misuse of Drugs Regulations (1985) amphetamines are Schedule 1 drugs. | ![]() |
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2. Amphetamine withdrawal is a recognized phenomenon. | ![]() |
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3. The heritability of cannabis abuse is 60–80%. | ![]() |
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4. Intravenous injection of a mixture of heroin and cocaine is called a ‘speedball’. | ![]() |
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5. Ecstasy increases the release of both dopamine and serotonin. | ![]() |
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6. Ecstasy can cause a withdrawal state. | ![]() |
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7. MDMA is neurotoxic in humans. | ![]() |
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8. Hallucinogens have a significant effect on memory. | ![]() |
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9. A minimum of 25 mg of LSD is needed to induce psychedelic effects. | ![]() |
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10. Ataxia is a feature of LSD intoxication. | ![]() |
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11. LSD is a 5-HT2A receptor antagonist. | ![]() |
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12. 2% of smokers quit on brief advice from clinicians. | ![]() |
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13. Diamorphine can be prescribed by any doctor for the treatment of addiction. | ![]() |
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14. 4% of opiate addicts will die in 2 years. | ![]() |
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15. Intravenous administration of unadulterated heroin can cause seizures. | ![]() |
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16. Cramps are a feature of opiate withdrawal. | ![]() |
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17. Heroin is more potent than methadone. | ![]() |
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18. It is important to prescribe methadone to patients presenting to A&E with a history of heroin addiction and methadone maintenance treatment, in order to avoid withdrawal symptoms. | ![]() |
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19. In heroin addiction, inspection of the arms could reliably exclude intravenous use. | ![]() |
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20. Lofexidine is an opioid with agonist and antagonist properties. | ![]() |
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21. Buprenorphine is a GABA antagonist. | ![]() |
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22. PCP causes a more prolonged psychotic reaction than LSD. | ![]() |
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23. Solvent abuse has a peak incidence in boys aged 17–21 years. | ![]() |
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24. Solvent abuse commonly leads to physical dependence. | ![]() |
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25. Anabolic steroids increase the level of low-density lipoproteins. | ![]() |
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