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CHAPTER 7: Cerebellum
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The middle cerebellar peduncle carries _____ axons.
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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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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 ...