5 197-210
Which of the following is true of alcohol?
In large doses, it is a depressant; in small doses, it is a depressant.
After ingesting a small dose of a psychoactive drug, Laqueta experienced vivid visual hallucinations and felt as if she were separated from her own body. Laqueta most likely experienced the effects of
LSD.
Which drugs are most likely to be prescribed as tranquilizers?
barbiturates
When cocaine is snorted, free-based, or injected, it produces a rush of euphoria by
blocking the reuptake of dopamine
THC, the active ingredient in ________, is classified as a ________.
marijuana; hallucinogen
The change in brain chemistry that offsets the effects of a psychoactive drug is called
neuroadaptation
Adopted individuals are more susceptible to alcohol dependence if one or both biological parents have a history of it. This indicates that alcohol dependence is
genetically influenced
Research on the use of addictive drugs indicates that
individuals who are given morphine for pain relief seldom develop the irresistible cravings of an addict.
The British government classifies the highly addictive crystallized form of ________ as one of the most dangerous of drugs.
methamphetamine
Unpleasant withdrawal symptoms are indicative of
physical dependence
Chemical substances that alter perceptions and moods are called ________ drugs.
psychoactive
Participants in a sexual stimulation study who mistakenly thought they had consumed alcohol were more likely to report having strong sexual fantasies and feeling guilt-free than those who thought they had not consumed alcohol. This study best illustrated the impact of
user expectations