4940360
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Quiz von Zoila Rojas, aktualisiert more than 1 year ago
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Erstellt von Zoila Rojas
vor etwa 8 Jahre
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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.
Antworten
- True
- False
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.
Antworten
- True
- False
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.
Antworten
- True
- False
Frage 8
Frage
In what areas are the axons of the corticospinal tract ipsilateral to point of origin?
Antworten
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pyramids
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longitudinal fascicles
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cerebral peduncle
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all of these are ipsilateral
Frage 9
Frage
All of the axons of the corticospinal tract cross the midline at the decussation of the pyramids.
Antworten
- True
- False
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?
Antworten
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right ventral horn
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left ventral root
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left pyramid
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right lateral corticospinal tract
Frage 12
Frage
The right vental corticospinal tract innervates structures on the right side of the body.
Antworten
- True
- False
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?
Antworten
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rostral trigeminal-thalamic path
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rubrospinal tract
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reticulospinal
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medial vestibulo spinal tract
Frage 17
Frage
A cut to the pyramids would result in total loss of voluntary control of muscles in the body.
Antworten
- True
- False
Frage 18
Frage
Which of the following structures will be affected if their associated nuclei are damaged unilaterally?
Antworten
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muscles of mastication
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muscles that close the eyelid
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muscles of the tongue
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none of these would be affected
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.
Antworten
- True
- False
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?
Antworten
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sensory association cortex
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prefrontal cortex
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somatosensory cortex
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parietal cortex
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...
Antworten
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sensory association cortex
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premotor cortex
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motor cortex
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prefrontal cortex
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.
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