CHAPTER 7: Cerebellum

CHAPTER 7: Cerebellum

The middle cerebellar peduncle carries _____ axons.

A. cerebellar afferent

B. cerebellar efferent

C. an equal distribution of efferent and afferent

D. neither efferent nor afferent

A. cerebellar afferent

In which artery does occlusion produce lateral medullary syndrome?

A. Posterior inferior cerebellar artery

B. Superior cerebellar artery

C. Anterior inferior cerebellar artery

D. Middle cerebellar artery

A. Posterior inferior cerebellar artery

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

A. Glutamate is the main neurotransmitter.

B. All inputs are excitatory.

C. The two fiber systems are climbing and mossy.

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

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

Feedback circuits in the cerebellar cortex serve to:

A. provide inhibitory feedback to inhibitory Golgi cells.

B. inhibit deep nuclei on entering the cerebellum.

C. excite the deep cerebellar nuclei for motion control.

D. compare excitatory and inhibitory signals during movement.

D. compare excitatory and inhibitory signals during movement.

Classic signs of cerebellar damage include all of the following:

A. Tremor, nystagmus, paresis

B. Spasticity, ataxia, nystagmus

C. Ataxia, tremor, nystagmus

D. Nystagmus, paresis, tremor

C. Ataxia, tremor, nystagmus

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

A. Excitation of an inhibitory neuron

B. Inhibition of an inhibitory neuron

C. Inhibition of an input neuron

D. Excitation of an input neuron

B. Inhibition of an inhibitory neuron

The clinical consequence of combined ...