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CHAPTER 7: Cerebellum

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The middle cerebellar peduncle carries _____ axons.

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A. cerebellar afferent

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B. cerebellar efferent

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C. an equal distribution of efferent and afferent

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D. neither efferent nor afferent

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A. cerebellar afferent

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In which artery does occlusion produce lateral medullary syndrome?

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A. Posterior inferior cerebellar artery

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B. Superior cerebellar artery

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C. Anterior inferior cerebellar artery

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D. Middle cerebellar artery

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A. Posterior inferior cerebellar artery

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The following statements regarding inputs to the cerebellum are true except:

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A. Glutamate is the main neurotransmitter.

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B. All inputs are excitatory.

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C. The two fiber systems are climbing and mossy.

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D. Mossy fibers are excitatory, and climbing fibers are inhibitory.

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D. Mossy fibers are excitatory, and climbing fibers are inhibitory.

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Feedback circuits in the cerebellar cortex serve to:

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A. provide inhibitory feedback to inhibitory Golgi cells.

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B. inhibit deep nuclei on entering the cerebellum.

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C. excite the deep cerebellar nuclei for motion control.

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D. compare excitatory and inhibitory signals during movement.

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D. compare excitatory and inhibitory signals during movement.

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Classic signs of cerebellar damage include all of the following:

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A. Tremor, nystagmus, paresis

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B. Spasticity, ataxia, nystagmus

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C. Ataxia, tremor, nystagmus

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D. Nystagmus, paresis, tremor

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C. Ataxia, tremor, nystagmus

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The principle of disinhibition is best described by the following example:

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A. Excitation of an inhibitory neuron

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B. Inhibition of an inhibitory neuron

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C. Inhibition of an input neuron

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D. Excitation of an input neuron

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B. Inhibition of an inhibitory neuron

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The clinical consequence of combined ...

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