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Neil has accidentally ingested a toxic chemical, which has made him unconscious and will soon kill him. Which route of administration would emergency physicians most likely use to administer an antidote for the toxin?


A) intravenous
B) oral
C) topical
D) rectal
E) nasal

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

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Which of the following is true of the cholinergic systems?


A) Hemicholium blocks the release of acetylcholine from peripheral neurons.
B) Acetylcholinesterase blocks the reuptake of choline into the presynaptic terminal.
C) The drug atropine is used to treat myasthenia gravis.
D) Muscarinic receptors are more numerous than nicotinic receptors in the brain.
E) Black widow spider venom prevents the release of acetylcholine.

F) A) and B)
G) A) and E)

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Jackson is doing research in which she examines whether a drug effect is different depending on whether the drug is given orally or rectally. We might say that she is doing a study involving


A) neurotherapy.
B) neurochemistry.
C) behavioral neuroscience.
D) pharmacokinetics.
E) neuropharmacology.

F) A) and B)
G) B) and D)

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D

________ refers to the process by which drugs are absorbed, distributed within the body, metabolized, and then excreted from the body.


A) Pharmacotherapy
B) Pharmacokinetics
C) Drug metabolism
D) Pharmacodynamics
E) Neurobotany

F) A) and D)
G) All of the above

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Glutamate, GABA, and glycine are important because these are


A) the major excitatory neurotransmitters in the CNS.
B) known to be solely inhibitory in the brain.
C) the predominant neuromodulators in the spinal cord.
D) the most common neurotransmitters in the CNS.
E) involved in Parkinson's disease.

F) C) and D)
G) C) and E)

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Which of the following is a correct match between a drug and its effect on GABA function?


A) muscimol; agonist at the GABAB receptor
B) picrotoxin; indirect antagonist of the GABAA receptor
C) diazepam; reduces the activity of GABAA receptors
D) baclofen; antagonist at the GABAA receptor
E) nicotine; agonist at the GABAA receptor

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

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________ refers to the capacity of a drug molecule to bind to a key site of action.


A) Dissociation
B) Sensitization
C) Inactivation
D) Affinity
E) Tolerance

F) A) and B)
G) A) and C)

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Which transmitter below induces muscle movement and is the primary transmitter secreted by efferent axons of the central nervous system?


A) acetylcholine
B) GABA
C) serotonin
D) glycine
E) glutamate

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

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Drugs that block histamine receptors produce


A) Parkinsonism.
B) delusions.
C) drowsiness.
D) REM sleep.
E) arousal.

F) A) and C)
G) C) and D)

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The drug reserpine


A) was used medically to treat high blood pressure.
B) is used to treat myasthenia gravis.
C) blocks the storage of monoamines in vesicles.
D) can produce Parkinson's disease in some persons.
E) interferes with the synthesis of dopamine.

F) A) and B)
G) B) and E)

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A drug that blocks acetylcholinesterase in brain would be expected to


A) permanently damage brain cholinergic neurons.
B) decrease the amount of acetylcholine in the synapse.
C) increase the synaptic levels of acetylcholine.
D) alter the activity of the cholinergic autoreceptors.
E) reduce the rate of reuptake of acetylcholine into glial cells.

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

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The ________ route of drug administration is commonly used for small laboratory animals such as the rat.


A) intraperitoneal
B) oral
C) intravascular
D) topical
E) intranasal

F) B) and D)
G) B) and C)

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A

Termination of the postsynaptic potential would be expected from a drug or process that acts to


A) increase synthesis of the neurotransmitter molecule.
B) enzymatically degrade the neurotransmitter molecule.
C) blocks transport of the neurotransmitter molecule through the axon membrane.
D) increase the number of postsynaptic receptors.
E) increase release of the neurotransmitter.

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

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Which of the following drugs has the largest therapeutic index?


A) heroin
B) Valium
C) alcohol
D) barbiturates
E) a mixture of barbiturates and alcohol

F) A) and E)
G) A) and B)

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Drugs that inactivate monoamine oxidase B would be expected to


A) also block D2 receptors.
B) increase the release of dopamine in response to the arrival of an action potential at the terminal buttons.
C) make the dopamine transporter run in reverse.
D) cause the release of serotonin into the synaptic cleft.
E) increase the release of acetylcholine in response to the arrival of an action potential at the terminal buttons.

F) A) and B)
G) A) and C)

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B

Acetylcholine is produced when ________ accepts an acetate ion from coenzyme A and transfers it to a choline molecule.


A) acetylcholinesterase
B) coenzyme A
C) muscarine transferase
D) choline acetyltransferase
E) nicotine synthase

F) A) and D)
G) C) and D)

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2- Memory impairment results from the effects of THC on CB1 receptors located in the ________.

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The neostriatum consists of the


A) putamen and the hippocampus.
B) ventral tegmental area and the overlying pons.
C) cerebellum and the nucleus accumbens.
D) caudate nucleus and the putamen.
E) amygdala and the hippocampus.

F) A) and B)
G) A) and C)

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Cholinergic neurons within the ________ are thought to ________.


A) basal forebrain; control the electrical activity of the thalamus
B) dorsolateral pons; facilitate learning
C) medial septum; elicit most of the aspects of REM sleep
D) cerebellum; elicit motor movements
E) dorsolateral pons; elicit most of the aspects of REM sleep

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

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________ refers to a diminished drug effect with repeated injection of a constant drug dose.

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