Zoila Rojas
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1 Neuro (Neuroanatomy) Quiz on Neuroanatomy: Motor 1, created by Zoila Rojas on 24/03/2016.

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Zoila Rojas
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Neuroanatomy: Motor 1

Question 1 of 29

1

Which of these locations does not contain motor neurons?

Select one of the following:

  • abducens nuclei

  • trigeminal nuclei

  • ventral horn

  • column of clarke

Explanation

Question 2 of 29

1

Upper motor neuron type damage results in...

Select one of the following:

  • 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

Explanation

Question 3 of 29

1

Recovery to damage in upper motor neurons may occur via peripheral nerves.

Select one of the following:

  • True
  • False

Explanation

Question 4 of 29

1

The outline that surrounds the grey matter of the spinal cord contains axons that connect different levels of the spinal cord is called the....

Select one of the following:

  • propriospinal tract

  • rubrospinal tract

  • corticospinal tract

  • interneuronal tract

Explanation

Question 5 of 29

1

The axial musculature is innervated by the medial aspect of the ventral horn.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 29

1

In addition to the neurons for voluntary motor action the spinal cord contains...

Select one of the following:

  • central motor programs like locomotion

  • neurons for myotatic stretch reflex

  • neurons for flexor withdrawal reflex

  • all of these

Explanation

Question 7 of 29

1

The brainstem contains motor neurons for voluntary control of muscles and reflexes for gagging and coughing.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 29

1

In what areas are the axons of the corticospinal tract ipsilateral to point of origin?

Select one of the following:

  • pyramids

  • longitudinal fascicles

  • cerebral peduncle

  • all of these are ipsilateral

Explanation

Question 9 of 29

1

All of the axons of the corticospinal tract cross the midline at the decussation of the pyramids.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 29

1

Which of these lesions leads to left side paralysis with an increase in muscle tone?

Select one of the following:

  • 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

Explanation

Question 11 of 29

1

A lesions to which of these areas leads to a right side paralysis with a loss of reflexes?

Select one of the following:

  • right ventral horn

  • left ventral root

  • left pyramid

  • right lateral corticospinal tract

Explanation

Question 12 of 29

1

The right vental corticospinal tract innervates structures on the right side of the body.

Select one of the following:

  • True
  • False

Explanation

Question 13 of 29

1

Damage to left side ventral horn in spinal level L4 results in damage to...

Select one of the following:

  • 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

Explanation

Question 14 of 29

1

Damage to right lateral cortico-spinal tract results in...

Select one of the following:

  • 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

Explanation

Question 15 of 29

1

Which of these is true about about person who has a lesion in the right internal capsule?

Select one of the following:

  • 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

Explanation

Question 16 of 29

1

Which of these is not a bulbar spinal pathway?

Select one of the following:

  • rostral trigeminal-thalamic path

  • rubrospinal tract

  • reticulospinal

  • medial vestibulo spinal tract

Explanation

Question 17 of 29

1

A cut to the pyramids would result in total loss of voluntary control of muscles in the body.

Select one of the following:

  • True
  • False

Explanation

Question 18 of 29

1

Which of the following structures will be affected if their associated nuclei are damaged unilaterally?

Select one of the following:

  • muscles of mastication

  • muscles that close the eyelid

  • muscles of the tongue

  • none of these would be affected

Explanation

Question 19 of 29

1

A person that can wrinkly their eyebrows but is unable to move their face on the left side has...

Select one of the following:

  • 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

Explanation

Question 20 of 29

1

A person that has facial paralysis on left side from forehead to chin has...

Select one of the following:

  • 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

Explanation

Question 21 of 29

1

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.

Select one of the following:

  • True
  • False

Explanation

Question 22 of 29

1

New and highly skilled motor movement primarily utilize the...

Select one of the following:

  • somatosensory cortex

  • motor cortex

  • basal ganglia

  • prefrontal cortex

Explanation

Question 23 of 29

1

The cortico-spinal pathway does not originate from the...

Select one of the following:

  • prefrontal cortex

  • premotor cortex

  • motor cortex

  • somatosensory cortex

Explanation

Question 24 of 29

1

Which of these cortical areas projects to motor cortex during the execution of a movement?

Select one of the following:

  • sensory association cortex

  • prefrontal cortex

  • somatosensory cortex

  • parietal cortex

Explanation

Question 25 of 29

1

Premotor cortex is also called

Select one of the following:

  • area 4

  • area 6

  • area 8

  • area 3, 1, & 2

Explanation

Question 26 of 29

1

Prefrontal cortex is also called

Select one of the following:

  • area 4

  • area 6

  • area 8

  • area 7

Explanation

Question 27 of 29

1

The deliberative thinking of a movement occurs in the...

Select one of the following:

  • sensory association cortex

  • premotor cortex

  • motor cortex

  • prefrontal cortex

Explanation

Question 28 of 29

1

Which of these is true about cortico-cortico connections?

Select one of the following:

  • 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

Explanation

Question 29 of 29

1

Executing behavior...

Select one of the following:

  • 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.

Explanation

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