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Cocaine acts in the nervous system by blocking _______ and voltage-gated _______ channels.


A) monoamine transporters; potassium
B) monoamine release; calcium
C) monoamine transporters; sodium
D) monoamine synthesis; calcium

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In mice, _______ receptor agonists were shown to reduce the locomotor activity effects of cocaine, while, _______ receptor agonists increased locomotor activity.


A) D1; D2
B) D1; D3
C) D2; D3
D) D3; D2

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If someone who has taken cocaine is exhibiting _______ you would expect that they have been taking high _______ doses of the drug.


A) fear; high
B) delusions of grandiosity; high
C) decreased sexual interest; low
D) slow motor activity; low

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Which statement concerning the receptor subtypes involved in psychostimulant effects is true?


A) The locomotor-stimulating effects of cocaine involve the D5 receptor.
B) D2 receptors are required for cocaine self-administration.
C) Pimozide, a D2 receptor blocker, completely eliminates amphetamine-induced euphoria.
D) D1 receptor knockout mice are insensitive to both the locomotor stimulating and reinforcing effects of cocaine.

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Amphetamines increase catecholamine release in part by


A) increasing calcium influx.
B) reversing the transporter.
C) increasing the firing rate of catecholamine neurons.
D) decreasing autoreceptor function.

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Which statement about cocaine is true?


A) It is a synthesized drug.
B) It is an alkaloid that comes from the leaves of a South American bush.
C) It has a high pH.
D) It can exacerbate altitude sickness.

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Repeated exposure to cocaine and other psychostimulants


A) can cause behavioral tolerance but not sensitization.
B) can cause behavioral sensitization but not tolerance.
C) can cause either behavioral tolerance or sensitization, depending on the pattern of exposure.
D) causes neither behavioral tolerance nor sensitization.

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Identify the various routes of administration for cocaine. Which routes of administration yield the most rapid absorption of cocaine? Identify two metabolites of cocaine use; one found after use of cocaine alone and the other found after using a combination cocaine and alcohol.

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Amphetamines have been medically prescribed for narcolepsy and weight loss but have largely been replaced with alternative drugs because


A) of the high cost associated with producing these drugs for medical use.
B) they are not as effective as other drugs in treating these conditions.
C) it is very difficult to control dosage for medical purposes.
D) they have such high abuse potential.

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According to imaging studies of human brains, which three factors influence the occurrence and intensity of a cocaine or methylphenidate "high"?

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Mephedrone, methylone, MDPV, and α-PVP are all members of the class of


A) methamphetamine-like compounds.
B) drugs used to treat ADHD.
C) naturally occurring psychostimulants.
D) synthetic cathinones.

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Which statement about U.S. cocaine use trends between 2014 and 2018 is true?


A) The rate of deaths due to cocaine use increased threefold even though the number of individuals using or addicted to cocaine remained level.
B) The rate of deaths due to cocaine use increased threefold even though the number of individuals using or addicted to cocaine decreased.
C) Both cocaine use and addiction increased with a corresponding increase in death rate.
D) Both cocaine use and addiction decreased with a corresponding decrease in death rate.

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Compare methamphetamine with amphetamine in terms of route of administration, potency, effects at the synapse, psychological effects, and neurotoxicity.

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The precondition of _______ would make heavy amphetamine use particularly dangerous.


A) low blood pressure
B) atherosclerosis
C) depression
D) hypothryroidism

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Describe the effects of cocaine at the synapse in detail. What specific effects are most important for cocaine's reinforcing and addictive characteristics? What effects of cocaine are responsible for its action as a local anesthetic?

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List several members of the amphetamine family of drugs. How are their chemical structures similar? Identify two such compounds that occur in nature. How have amphetamines been used to treat diseases and enhance daily functioning, prior to governmental restriction?

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Members of the amphetamine family include amphetamine, methamphetamine, cathinone, and ephedrine, which all are structurally related to dopamine. Cathinone and ephedrine occur in nature. Historically, members of the amphetamine family have been used for weight loss, treatment of asthma (as a constituent of inhalers), treatment of narcolepsy, and to maintain alertness (e.g., by military personnel).

List several effects of cocaine that occur at low to moderate doses. Which of these effects are considered to be part of the cocaine "high"? Identify several aversive effects that occur in high dose users.

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An early use of amphetamine was as a


A) medication in early inhalers.
B) pain killer.
C) treatment for anxiety
D) treatment for insomnia.

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What is the minimum dopamine transporter (DAT) occupancy required to achieve a "high" from either cocaine or methylphenidate, based on imaging studies?


A) 10% to 20%
B) 20% to 40%
C) 40% to 60%
D) 60% to 80%

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C

Which statement about cocaine administration and absorption is true?


A) The cocaine metabolite benzoylecgonine can be detected for only a few hours after the last dose of drug.
B) Slow absorption occurs with intravenous and smoked forms of cocaine.
C) Cocaethylene is a metabolite of cocaine and alcohol that exerts an effect similar to cocaine, but that has a long half-life.
D) Smoking crack cocaine is addictive because the brain receives a large surge of drug, and its effects are very long-lasting.

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B

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