Frage 1
Frage
Which of these locations does not contain motor neurons?
Antworten
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abducens nuclei
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trigeminal nuclei
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ventral horn
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column of clarke
Frage 2
Frage
Upper motor neuron type damage results in...
Antworten
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loss of voluntary motor activity with spasticity and loss of reflexes
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loss of voluntary motor activity with spasticity and retaining reflexes
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loss of voluntary motor activity with flaccidity and retaining reflexes
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loss of voluntary motor activity with flaccidity and loss of reflexes
Frage 3
Frage
Recovery to damage in upper motor neurons may occur via peripheral nerves.
Frage 4
Frage
The outline that surrounds the grey matter of the spinal cord contains axons that connect different levels of the spinal cord is called the....
Antworten
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propriospinal tract
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rubrospinal tract
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corticospinal tract
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interneuronal tract
Frage 5
Frage
The axial musculature is innervated by the medial aspect of the ventral horn.
Frage 6
Frage
In addition to the neurons for voluntary motor action the spinal cord contains...
Antworten
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central motor programs like locomotion
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neurons for myotatic stretch reflex
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neurons for flexor withdrawal reflex
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all of these
Frage 7
Frage
The brainstem contains motor neurons for voluntary control of muscles and reflexes for gagging and coughing.
Frage 8
Frage
In what areas are the axons of the corticospinal tract ipsilateral to point of origin?
Frage 9
Frage
All of the axons of the corticospinal tract cross the midline at the decussation of the pyramids.
Frage 10
Frage
Which of these lesions leads to left side paralysis with an increase in muscle tone?
Antworten
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lesion at left pyramid
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lesion at left internal capsule
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lesion at right ventral horn
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lesion at left ventral horn
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lesion at left lateral corticospinal tract
Frage 11
Frage
A lesions to which of these areas leads to a right side paralysis with a loss of reflexes?
Frage 12
Frage
The right vental corticospinal tract innervates structures on the right side of the body.
Frage 13
Frage
Damage to left side ventral horn in spinal level L4 results in damage to...
Antworten
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ipsilateral - flaccidity and paralysis at and below the spinal level
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ipsilateral - flaccidity and paralysis at the spinal level
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ipsilateral - spasticity and paralysis at and below the spinal level
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ipsilateral - spasticity and paralysis at the spinal level
Frage 14
Frage
Damage to right lateral cortico-spinal tract results in...
Antworten
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ipsilateral - paralysis and spasticity at and below level of spinal cord
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ipsilateral - paralysis and spasticity at level of spinal cord
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ipsilateral - paralysis and flaccidity at and below level of spinal cord
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ipsilateral - paralysis and flaccidity at level of spinal cord
Frage 15
Frage
Which of these is true about about person who has a lesion in the right internal capsule?
Antworten
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when sole of left foot is stroked, person will curl their toes
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will have paralysis in axial musculature on left side
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will have damage on right lateral ventral horn
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will not have damage on right lateral ventral horn
Frage 16
Frage
Which of these is not a bulbar spinal pathway?
Frage 17
Frage
A cut to the pyramids would result in total loss of voluntary control of muscles in the body.
Frage 18
Frage
Which of the following structures will be affected if their associated nuclei are damaged unilaterally?
Frage 19
Frage
A person that can wrinkly their eyebrows but is unable to move their face on the left side has...
Antworten
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damage in CNS in the right side
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damage in PNS in the right side
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damage in CNS in left side
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damage in PNS in the left side
Frage 20
Frage
A person that has facial paralysis on left side from forehead to chin has...
Antworten
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damage to PNS on the left side
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damage on PNS on the right side
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damage on CNS on the left side
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damage on CNS on the right side
Frage 21
Frage
A person with a stroke exhibits paralysis on one side of the face from eyes to chin because the upper part of the facial nucleus innervates facial muscles unilaterally.
Frage 22
Frage
New and highly skilled motor movement primarily utilize the...
Antworten
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somatosensory cortex
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motor cortex
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basal ganglia
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prefrontal cortex
Frage 23
Frage
The cortico-spinal pathway does not originate from the...
Antworten
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prefrontal cortex
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premotor cortex
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motor cortex
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somatosensory cortex
Frage 24
Frage
Which of these cortical areas projects to motor cortex during the execution of a movement?
Frage 25
Frage
Premotor cortex is also called
Antworten
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area 4
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area 6
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area 8
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area 3, 1, & 2
Frage 26
Frage
Prefrontal cortex is also called
Antworten
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area 4
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area 6
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area 8
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area 7
Frage 27
Frage
The deliberative thinking of a movement occurs in the...
Frage 28
Frage
Which of these is true about cortico-cortico connections?
Antworten
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the premotor cortex works with the prefrontal cortex to send projects down the spinal cord
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the somatosensory cortex projects to motor cortex during execution of movement
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the prefrontal cortex is responsible for skilled movement
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the sensory association cortex projects to premotor areas
Frage 29
Frage
Executing behavior...
Antworten
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is caused by projections of the layer 3 pyramidal cells down the spinal cord
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is directly caused by projections of layer 5 pyramidal cells
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is caused by projections of the layer 5 pyramidal cells to other cortical regions
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none of these are true.