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Neuroanatomy: Motor 1

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1 Neuro (Neuroanatomy) Quiz on Neuroanatomy: Motor 1, created by Zoila Rojas on 24/03/2016.
Zoila Rojas
Quiz by Zoila Rojas, updated more than 1 year ago
Zoila Rojas
Created by Zoila Rojas over 8 years ago
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Resource summary

Question 1

Question
Which of these locations does not contain motor neurons?
Answer
  • abducens nuclei
  • trigeminal nuclei
  • ventral horn
  • column of clarke

Question 2

Question
Upper motor neuron type damage results in...
Answer
  • loss of voluntary motor activity with spasticity and loss of reflexes
  • loss of voluntary motor activity with spasticity and retaining reflexes
  • loss of voluntary motor activity with flaccidity and retaining reflexes
  • loss of voluntary motor activity with flaccidity and loss of reflexes

Question 3

Question
Recovery to damage in upper motor neurons may occur via peripheral nerves.
Answer
  • True
  • False

Question 4

Question
The outline that surrounds the grey matter of the spinal cord contains axons that connect different levels of the spinal cord is called the....
Answer
  • propriospinal tract
  • rubrospinal tract
  • corticospinal tract
  • interneuronal tract

Question 5

Question
The axial musculature is innervated by the medial aspect of the ventral horn.
Answer
  • True
  • False

Question 6

Question
In addition to the neurons for voluntary motor action the spinal cord contains...
Answer
  • central motor programs like locomotion
  • neurons for myotatic stretch reflex
  • neurons for flexor withdrawal reflex
  • all of these

Question 7

Question
The brainstem contains motor neurons for voluntary control of muscles and reflexes for gagging and coughing.
Answer
  • True
  • False

Question 8

Question
In what areas are the axons of the corticospinal tract ipsilateral to point of origin?
Answer
  • pyramids
  • longitudinal fascicles
  • cerebral peduncle
  • all of these are ipsilateral

Question 9

Question
All of the axons of the corticospinal tract cross the midline at the decussation of the pyramids.
Answer
  • True
  • False

Question 10

Question
Which of these lesions leads to left side paralysis with an increase in muscle tone?
Answer
  • lesion at left pyramid
  • lesion at left internal capsule
  • lesion at right ventral horn
  • lesion at left ventral horn
  • lesion at left lateral corticospinal tract

Question 11

Question
A lesions to which of these areas leads to a right side paralysis with a loss of reflexes?
Answer
  • right ventral horn
  • left ventral root
  • left pyramid
  • right lateral corticospinal tract

Question 12

Question
The right vental corticospinal tract innervates structures on the right side of the body.
Answer
  • True
  • False

Question 13

Question
Damage to left side ventral horn in spinal level L4 results in damage to...
Answer
  • ipsilateral - flaccidity and paralysis at and below the spinal level
  • ipsilateral - flaccidity and paralysis at the spinal level
  • ipsilateral - spasticity and paralysis at and below the spinal level
  • ipsilateral - spasticity and paralysis at the spinal level

Question 14

Question
Damage to right lateral cortico-spinal tract results in...
Answer
  • ipsilateral - paralysis and spasticity at and below level of spinal cord
  • ipsilateral - paralysis and spasticity at level of spinal cord
  • ipsilateral - paralysis and flaccidity at and below level of spinal cord
  • ipsilateral - paralysis and flaccidity at level of spinal cord

Question 15

Question
Which of these is true about about person who has a lesion in the right internal capsule?
Answer
  • when sole of left foot is stroked, person will curl their toes
  • will have paralysis in axial musculature on left side
  • will have damage on right lateral ventral horn
  • will not have damage on right lateral ventral horn

Question 16

Question
Which of these is not a bulbar spinal pathway?
Answer
  • rostral trigeminal-thalamic path
  • rubrospinal tract
  • reticulospinal
  • medial vestibulo spinal tract

Question 17

Question
A cut to the pyramids would result in total loss of voluntary control of muscles in the body.
Answer
  • True
  • False

Question 18

Question
Which of the following structures will be affected if their associated nuclei are damaged unilaterally?
Answer
  • muscles of mastication
  • muscles that close the eyelid
  • muscles of the tongue
  • none of these would be affected

Question 19

Question
A person that can wrinkly their eyebrows but is unable to move their face on the left side has...
Answer
  • damage in CNS in the right side
  • damage in PNS in the right side
  • damage in CNS in left side
  • damage in PNS in the left side

Question 20

Question
A person that has facial paralysis on left side from forehead to chin has...
Answer
  • damage to PNS on the left side
  • damage on PNS on the right side
  • damage on CNS on the left side
  • damage on CNS on the right side

Question 21

Question
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.
Answer
  • True
  • False

Question 22

Question
New and highly skilled motor movement primarily utilize the...
Answer
  • somatosensory cortex
  • motor cortex
  • basal ganglia
  • prefrontal cortex

Question 23

Question
The cortico-spinal pathway does not originate from the...
Answer
  • prefrontal cortex
  • premotor cortex
  • motor cortex
  • somatosensory cortex

Question 24

Question
Which of these cortical areas projects to motor cortex during the execution of a movement?
Answer
  • sensory association cortex
  • prefrontal cortex
  • somatosensory cortex
  • parietal cortex

Question 25

Question
Premotor cortex is also called
Answer
  • area 4
  • area 6
  • area 8
  • area 3, 1, & 2

Question 26

Question
Prefrontal cortex is also called
Answer
  • area 4
  • area 6
  • area 8
  • area 7

Question 27

Question
The deliberative thinking of a movement occurs in the...
Answer
  • sensory association cortex
  • premotor cortex
  • motor cortex
  • prefrontal cortex

Question 28

Question
Which of these is true about cortico-cortico connections?
Answer
  • the premotor cortex works with the prefrontal cortex to send projects down the spinal cord
  • the somatosensory cortex projects to motor cortex during execution of movement
  • the prefrontal cortex is responsible for skilled movement
  • the sensory association cortex projects to premotor areas

Question 29

Question
Executing behavior...
Answer
  • is caused by projections of the layer 3 pyramidal cells down the spinal cord
  • is directly caused by projections of layer 5 pyramidal cells
  • is caused by projections of the layer 5 pyramidal cells to other cortical regions
  • none of these are true.
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