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The use of ______ to treat stimulant dependence via action on the GABAergic system has been limited by drug-induced loss of peripheral vision.


A) baclofen (Lioresal)
B) lamotrigine (Lamictal)
C) gamma-vinyl-GABA (Vigabatrin)
D) valproate

E) C) and D)
F) B) and D)

Correct Answer

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"Ice" is to methamphetamine as ____ is to ____.


A) cocaine; amphetamine
B) cocaine; "crack"
C) "ice"; "crack"
D) "crack"; cocaine

E) None of the above
F) A) and B)

Correct Answer

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Brain imaging studies suggest that the commonly abused dose of cocaine blocks:


A) only about 20 percent of dopamine transporters.
B) about 30 percent of dopamine transporters.
C) more than 60 percent of dopamine transporters.
D) virtually all dopamine receptors in the brain.

E) A) and B)
F) B) and C)

Correct Answer

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Because the cocaine __________,the drug poorly crosses the mucosal membrane.


A) is water-soluble in its hydrochloride form
B) molecules are too small to pass through mucosal membranes
C) is a potent vasodilator
D) is a potent vasoconstrictor

E) All of the above
F) A) and B)

Correct Answer

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Which of the following administration routes for cocaine has the FASTEST initial onset of action?


A) The oral route
B) By smoking cocaine
C) The intranasal route
D) The intravenous route

E) A) and B)
F) C) and D)

Correct Answer

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The positive reinforcing effects of cocaine are most likely the result of action on the neurotransmitter:


A) norepinephrine.
B) dopamine.
C) serotonin.
D) acetylcholine.

E) A) and C)
F) All of the above

Correct Answer

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Because it is __________,cocaine hydrochloride does not cross mucus membranes well.


A) cocaethanol
B) ethylcocaine
C) cocaoethylene
D) cocaethylene

E) B) and D)
F) None of the above

Correct Answer

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The unique ester of benzoylecgonine is produced when enzymes in the:


A) liver metabolize cocaine.
B) liver metabolize ethyl alcohol.
C) plasma metabolize cocaine.
D) liver metabolize cocaine and ethyl alcohol.

E) B) and C)
F) A) and C)

Correct Answer

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Sigmund Freud encouraged the use of cocaine to treat:


A) anxiety
B) panic attacks
C) bipolar disorder
D) depression

E) All of the above
F) C) and D)

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Cocaine base,or "freebase," is _____ soluble.


A) water
B) lipid
C) both water and lipid
D) neither water or lipid

E) A) and B)
F) A) and C)

Correct Answer

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The effects of __________ are indistinguishable from those of cocaine.


A) anxiolytics
B) sedatives
C) hallucinogens
D) amphetamines

E) A) and D)
F) A) and C)

Correct Answer

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Cocaethylene is a very potent blocker of _____ channels in the heart.


A) sodium
B) potassium
C) calcium
D) chloride

E) A) and B)
F) C) and D)

Correct Answer

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MDPV (methylenedioxypyrovalerone) is _____ potent than cocaine.


A) 2 to 5 times less
B) 2 to 5 times more
C) 10 to 50 times less
D) 10 to 50 times more

E) A) and D)
F) B) and C)

Correct Answer

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As opposed to crack cocaine,a "line" of powder cocaine:


A) acts on different receptors in the brain.
B) acts at different sites in the brain.
C) has a more rapid speed of onset.
D) typically yields about 1/10th to 1/40th the dose.

E) B) and C)
F) None of the above

Correct Answer

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Dependence on cocaine can produce _____ brain damage of _____.


A) localized; white matter
B) localized; gray matter
C) widespread; white matter
D) widespread; gray matter

E) None of the above
F) A) and C)

Correct Answer

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Amphetamine abuse declined in the 1960s and 1970s.Which of the following statements is NOT one of the reasons?


A) Drug companies decreased production of the drug.
B) Users recognized that compulsive amphetamine use was dangerous.
C) The focus on treating depression with amphetamine declined because better antidepressants were introduced.
D) A new street drug,a smokable form of amphetamine called "ice," became popular.

E) A) and D)
F) A) and C)

Correct Answer

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With the street name "__________," is the smokable crystalline form of methamphetamine.


A) ice
B) crack
C) crank
D) crystal

E) All of the above
F) A) and B)

Correct Answer

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