Spinothalamic and Dorsal Column Lesions Quiz
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Questions and Answers

Which segment of the spinal cord has the most number of nerves?

  • Lumbar
  • Sacral
  • Thoracic
  • Cervical (correct)

    • Which segment of the spinal cord has the least number of nerves?

  • Thoracic
  • Sacral
  • Lumbar (correct)
  • Cervical

    • Which segment of the spinal cord has the least number of vertebral bodies?

  • Sacral
  • Cervical (correct)
  • Lumbar
  • Thoracic

    • What type of neurons are represented by the anterior horn cells in the ventral gray horn?

    <p>Lower motor neurons</p> Signup and view all the answers

    Motor deficits on the neurological examination are often interpreted as representing which types of lesions?

    <p>Upper motor neuron (UMN) lesions</p> Signup and view all the answers

    Which disease affects both upper motor neuron (UMN) and lower motor neuron (LMN) syndromes?

    <p>ALS</p> Signup and view all the answers

    What is the term used to describe injury to the spinal cord?

    <p>Myelopathy</p> Signup and view all the answers

    Which of the following is a characteristic of complete cord transection?

    <p>Flaccid paralysis with atrophy at the lesion level</p> Signup and view all the answers

    What is one of the causes of transverse myelitis?

    <p>Viral infection</p> Signup and view all the answers

    What is the characteristic feature of syringomyelia?

    <p>Sagging of the brain and cerebrum</p> Signup and view all the answers

    Which region of the spinal cord is prone to closure in anterior spinal artery syndrome?

    <p>T10 to L3</p> Signup and view all the answers

    What is the effect of anterior spinal artery syndrome on voluntary bladder and bowel control?

    <p>Loss of voluntary control</p> Signup and view all the answers

    What is the characteristic feature of Horner syndrome?

    <p>All of the above</p> Signup and view all the answers

    What is the first thing to do if someone presents with spastic weakness and loss of pain and temperature?

    <p>Perform a neurological examination</p> Signup and view all the answers

    Which syndrome is characterized by lesions affecting one or other half of the spinal cord, causing upper motor neuron weakness and spasticity below the lesion?

    <p>Hemisection/Brown-Sequard syndrome</p> Signup and view all the answers

    What is the term for the widening of the central canal and cavitation within the spinal cord, often seen in cases of anterior spinal artery syndrome?

    <p>Anterior spinal artery syndrome</p> Signup and view all the answers

    Which syndrome is characterized by a 'cape-like' sensory loss, affecting the crossing of the spinothalamic fibers from both sides, resulting in bilateral loss of pain and temperature?

    <p>Hemisection/Brown-Sequard syndrome</p> Signup and view all the answers

    Which syndrome is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia?

    <p>Tabetic syndrome</p> Signup and view all the answers

    Which syndrome is characterized by combined degeneration of the posterior columns and lateral corticospinal tracts, often happening in vitamin B12 deficiency?

    <p>Combined degeneration</p> Signup and view all the answers

    Which type of mononeuropathy is characterized by many different nerves being affected simultaneously?

    <p>Multiple mononeuropathy</p> Signup and view all the answers

    Which syndrome is characterized by complete transection of the spinal cord, resulting in complete loss of motor, sensory, and autonomic functions below the level of the lesion?

    <p>Complete transection</p> Signup and view all the answers

    Which of the following is a cause of Anterior Spinal Artery Syndrome?

    <p>Dissecting aortic aneurysm</p> Signup and view all the answers

    Loss of vibratory and position sensations below the level of the lesion is a clinical feature of which syndrome?

    <p>Tabetic Syndrome</p> Signup and view all the answers

    Which of the following is NOT a clinical feature of Tabetic Syndrome?

    <p>Lightning pains syndrome</p> Signup and view all the answers

    Which condition is characterized by diffuse involvement of dorsal columns and lateral corticospinal tracts?

    <p>Combined Systems Degeneration</p> Signup and view all the answers

    Which of the following is a common cause of hypocupremic myelopathy?

    <p>Veganism</p> Signup and view all the answers

    Which condition can affect the cerebral hemisphere, optic nerve, cerebellum, and peripheral nerve?

    <p>B12 deficiency</p> Signup and view all the answers

    Which of the following is NOT a cause of Combined Systems Degeneration?

    <p>HIV infection</p> Signup and view all the answers

    What is the treatment for Combined Systems Degeneration?

    <p>Replenishing B12</p> Signup and view all the answers

    Which of the following is an important symptom of Tabetic Syndrome?

    <p>Loss of position sense when eyes are closed</p> Signup and view all the answers

    Which segment of the spinal cord has the highest number of nerves?

    <p>Cervical</p> Signup and view all the answers

    Which of the following is a characteristic of upper motor neuron (UMN) lesions?

    <p>Spasticity</p> Signup and view all the answers

    Which syndrome is characterized by lesions affecting one or other half of the spinal cord, causing upper motor neuron weakness and spasticity below the lesion?

    <p>Brown-Séquard Syndrome</p> Signup and view all the answers

    What is the term used to describe injury to the nerve roots?

    <p>Radiculopathy</p> Signup and view all the answers

    Which syndrome is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia?

    <p>Tabetic Syndrome</p> Signup and view all the answers

    Which type of neurons are represented by the anterior horn cells in the ventral gray horn?

    <p>Motor neurons</p> Signup and view all the answers

    Which syndrome is characterized by combined degeneration of the posterior columns and lateral corticospinal tracts, often happening in vitamin B12 deficiency?

    <p>Combined Systems Degeneration</p> Signup and view all the answers

    Which of the following is a characteristic of spinal shock?

    <p>Loss of all spinal cord function below the lesion</p> Signup and view all the answers

    Which of the following is a cause of transverse myelitis?

    <p>Viral infection</p> Signup and view all the answers

    What is the characteristic feature of Horner syndrome?

    <p>All of the above</p> Signup and view all the answers

    Which of the following is a clinical feature of anterior spinal artery syndrome?

    <p>Paralysis of voluntary and automatic respiration</p> Signup and view all the answers

    What is the first thing to do if someone presents with spastic weakness and loss of pain and temperature?

    <p>Perform a physical examination</p> Signup and view all the answers

    Which segment of the spinal cord is prone to closure in anterior spinal artery syndrome?

    <p>T10 to L3</p> Signup and view all the answers

    Which of the following is NOT a cause of central cord lesions?

    <p>Decompression surgery</p> Signup and view all the answers

    Which syndrome is characterized by lesions affecting one or other half of the spinal cord, causing upper motor neuron weakness and spasticity below the lesion?

    <p>Hemisection/Brown-Sequard syndrome</p> Signup and view all the answers

    What is the characteristic feature of syringomyelia?

    <p>Widening of the central canal and cavitation within the cord</p> Signup and view all the answers

    Which syndrome is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia?

    <p>Tabetic syndrome</p> Signup and view all the answers

    Which condition is characterized by diffuse involvement of dorsal columns and lateral corticospinal tracts?

    <p>Combined degeneration</p> Signup and view all the answers

    What is the term used to describe injury to the spinal cord?

    <p>Spinal cord injury</p> Signup and view all the answers

    Which syndrome is characterized by a 'cape-like' sensory loss, affecting the crossing of the spinothalamic fibers from both sides, resulting in bilateral loss of pain and temperature?

    <p>Hemisection/Brown-Sequard syndrome</p> Signup and view all the answers

    Which syndrome is characterized by complete transection of the spinal cord, resulting in complete loss of motor, sensory, and autonomic functions below the level of the lesion?

    <p>Complete transection</p> Signup and view all the answers

    Which of the following is a cause of Anterior Spinal Artery Syndrome?

    <p>Dissecting aortic aneurysm</p> Signup and view all the answers

    Which of the following is a cause of Tabetic Syndrome?

    <p>Tabes dorsalis</p> Signup and view all the answers

    Which of the following is a cause of Combined Systems Degeneration?

    <p>Copper deficiency</p> Signup and view all the answers

    Which of the following is a clinical feature of Tabetic Syndrome?

    <p>Lightning pains syndrome</p> Signup and view all the answers

    Which of the following is a clinical feature of Combined Systems Degeneration?

    <p>Loss of motor function</p> Signup and view all the answers

    Which of the following is a characteristic feature of Tabetic Syndrome?

    <p>Loss of vibratory and position sensations</p> Signup and view all the answers

    Which of the following is a characteristic feature of Combined Systems Degeneration?

    <p>Loss of position and vibratory sensations</p> Signup and view all the answers

    Which of the following is a cause of hypocupremic myelopathy?

    <p>Copper deficiency</p> Signup and view all the answers

    Which of the following is NOT a cause of Combined Systems Degeneration?

    <p>Diabetes mellitus</p> Signup and view all the answers

    Which of the following segments of the spinal cord has the highest number of nerves?

    <p>Cervical</p> Signup and view all the answers

    Which of the following is a characteristic feature of lower motor neuron (LMN) syndrome?

    <p>Hypereflexia</p> Signup and view all the answers

    Which of the following terms is used to describe injury to the spinal cord?

    <p>Myelopathy</p> Signup and view all the answers

    Which of the following syndromes is characterized by lesions affecting one half of the spinal cord, causing upper motor neuron weakness and spasticity below the lesion?

    <p>Central Cord Syndrome</p> Signup and view all the answers

    Which of the following is a cause of Tabetic Syndrome?

    <p>Syphilis</p> Signup and view all the answers

    Which of the following is a clinical feature of anterior spinal artery syndrome?

    <p>Bilateral loss of pain and temperature</p> Signup and view all the answers

    Which of the following is a characteristic feature of Combined Systems Degeneration?

    <p>Diffuse involvement of dorsal columns and lateral corticospinal tracts</p> Signup and view all the answers

    Which syndrome is characterized by lesions affecting one or other half of the spinal cord, causing upper motor neuron weakness and spasticity below the lesion?

    <p>Hemisection/Brown-Sequard syndrome</p> Signup and view all the answers

    Which syndrome is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia?

    <p>Tabetic syndrome</p> Signup and view all the answers

    What is the term used to describe injury to the spinal cord?

    <p>Transection</p> Signup and view all the answers

    Which segment of the spinal cord is prone to closure in anterior spinal artery syndrome?

    <p>Central canal</p> Signup and view all the answers

    Which condition is characterized by diffuse involvement of dorsal columns and lateral corticospinal tracts?

    <p>Combined degeneration</p> Signup and view all the answers

    What is the effect of anterior spinal artery syndrome on voluntary bladder and bowel control?

    <p>Decreased control</p> Signup and view all the answers

    What is the characteristic feature of Horner syndrome?

    <p>Loss of vibratory and position sensations</p> Signup and view all the answers

    Which of the following is a characteristic feature of anterior spinal artery syndrome?

    <p>Paralysis of voluntary and automatic respiration in cervical segments</p> Signup and view all the answers

    What is the effect of anterior spinal artery syndrome on voluntary bladder and bowel control?

    <p>Complete loss of control</p> Signup and view all the answers

    What is the characteristic feature of Horner syndrome?

    <p>Ptosis, anhidrosis, miosis</p> Signup and view all the answers

    What is the first thing to do if someone presents with spastic weakness and loss of pain and temperature?

    <p>Perform a neurological examination</p> Signup and view all the answers

    Which of the following is NOT a cause of transverse myelitis?

    <p>Tumor</p> Signup and view all the answers

    Which of the following is a cause of syringomyelia?

    <p>Tumor of spinal cord</p> Signup and view all the answers

    Which region of the spinal cord is prone to closure in anterior spinal artery syndrome?

    <p>T10 to L3</p> Signup and view all the answers

    Which of the following is a cause of Anterior Spinal Artery Syndrome?

    <p>Dissecting aortic aneurysm</p> Signup and view all the answers

    Which syndrome is characterized by lesions affecting one or other half of the spinal cord, causing upper motor neuron weakness and spasticity below the lesion?

    <p>Anterior Spinal Artery Syndrome</p> Signup and view all the answers

    What is the characteristic feature of syringomyelia?

    <p>Loss of vibratory and position sensations below the level of the lesion</p> Signup and view all the answers

    What is the term used to describe injury to the spinal cord?

    <p>Spinal cord injury</p> Signup and view all the answers

    What is the effect of anterior spinal artery syndrome on voluntary bladder and bowel control?

    <p>Complete loss of control</p> Signup and view all the answers

    Which of the following is a cause of Tabetic Syndrome?

    <p>Tabes dorsalis</p> Signup and view all the answers

    Which segment of the spinal cord has the most number of nerves?

    <p>Cervical segment</p> Signup and view all the answers

    Which of the following is a cause of Combined Systems Degeneration?

    <p>Bariatric surgery</p> Signup and view all the answers

    What is the treatment for Combined Systems Degeneration?

    <p>Vitamin B12 supplementation</p> Signup and view all the answers

    Study Notes

    Spinal Cord Anatomy and Syndromes

    • Cervical segment of the spinal cord has the highest number of nerves.
    • Thoracic segment of the spinal cord has the least number of nerves.
    • Cervical segment of the spinal cord has the least number of vertebral bodies.
    • Anterior horn cells in the ventral gray horn represent lower motor neurons.
    • Motor deficits on neurological examination are often interpreted as lower motor neuron (LMN) or upper motor neuron (UMN) syndromes.
    • Amyotrophic Lateral Sclerosis (ALS) affects both upper motor neuron (UMN) and lower motor neuron (LMN) syndromes.
    • Spinal cord injury is the term used to describe injury to the spinal cord.
    • Complete cord transection involves complete loss of sensory and motor function below the level of injury.
    • Transverse myelitis can be caused by autoimmune diseases, infections, or even trauma.
    • Syringomyelia is characterized by a central canal widening and fluid-filled cavities within the spinal cord.
    • Anterior spinal artery syndrome often affects the anterior portion of the spinal cord.
    • Anterior spinal artery syndrome can cause loss of voluntary bladder and bowel control.
    • Horner syndrome is characterized by ptosis, miosis, and anhidrosis.
    • Spastic weakness and loss of pain and temperature should prompt immediate investigation for spinal cord injury.
    • Brown-Séquard syndrome is characterized by lesions affecting one side of the spinal cord. It usually causes UMN weakness and spasticity, as well as loss of pain and temperature sensation on the opposite side.
    • Syrinx is the term for widening of the central canal and cavitation within the spinal cord.
    • Syringomyelia can affect the crossing of the spinothalamic fibers from both sides, resulting in bilateral loss of pain and temperature, often referred to as a 'cape-like' sensory loss.
    • Tabes Dorsalis is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia.
    • Combined Systems Degeneration is characterized by combined degeneration of the posterior columns and lateral corticospinal tracts. This often happens in vitamin B12 deficiency.
    • Multifocal mononeuropathy affects different nerves simultaneously.
    • Complete spinal cord transection results in complete loss of motor, sensory, and autonomic functions below the lesion.
    • Anterior Spinal Artery Syndrome can be caused by thrombosis, emboli, or dissection of the artery.
    • Posterior column syndrome presents with loss of vibratory and position sensations below the level of the lesion.
    • Argyll Robertson pupil is NOT a clinical feature of Tabetic Syndrome.
    • Combined Systems Degeneration is characterized by diffuse involvement of dorsal columns and lateral corticospinal tracts.
    • Copper deficiency is a common cause of hypocupremic myelopathy.
    • Neurosyphilis can affect the cerebral hemisphere, optic nerve, cerebellum, and peripheral nerve.
    • Hepatolenticular degeneration is NOT a cause of Combined Systems Degeneration.
    • Vitamin B12 supplementation and treating the underlying cause are the primary treatment for Combined Systems Degeneration.
    • Sensory ataxia is an important symptom of Tabetic Syndrome.
    • Cervical segment of the spinal cord has the highest number of nerves.
    • Spasticity, hyperreflexia, clonus, and Babinski sign are characteristic of upper motor neuron (UMN) lesions.
    • Brown-Séquard syndrome is characterized by lesions affecting one side of the spinal cord. It usually causes UMN weakness and spasticity.
    • Radiculopathy is the term used to describe injury to the nerve roots.
    • Tabes Dorsalis is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia.
    • Anterior horn cells in the ventral gray horn represent lower motor neurons.
    • Combined Systems Degeneration is characterized by combined degeneration of the posterior columns and lateral corticospinal tracts. This often happens in vitamin B12 deficiency.
    • Spinal shock is characterized by flaccid paralysis, areflexia, and loss of sensory function below the lesion.
    • Transverse myelitis can be caused by autoimmune diseases, infections, or even trauma.
    • Horner syndrome is characterized by ptosis, miosis, and anhidrosis.
    • Loss of voluntary bladder and bowel control, loss of pain and temperature sensation below the level of the lesion, and weakness are clinical features of anterior spinal artery syndrome.
    • Spastic weakness and loss of pain and temperature should prompt immediate investigation for spinal cord injury.
    • Cervical segment of the spinal cord is prone to closure in anterior spinal artery syndrome.
    • Tumors or syringomyelia are NOT a common cause of central cord lesions.
    • Brown-Séquard syndrome is characterized by lesions affecting one side of the spinal cord. It usually causes UMN weakness and spasticity.
    • Syringomyelia is characterized by a central canal widening and fluid-filled cavities within the spinal cord.
    • Tabes Dorsalis is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia.
    • Combined Systems Degeneration is characterized by diffuse involvement of dorsal columns and lateral corticospinal tracts.
    • Spinal cord injury is the term used to describe injury to the spinal cord.
    • Syringomyelia can affect the crossing of the spinothalamic fibers from both sides, resulting in bilateral loss of pain and temperature, often referred to as a 'cape-like' sensory loss.
    • Complete spinal cord transection results in complete loss of motor, sensory, and autonomic functions below the lesion.
    • Anterior Spinal Artery Syndrome can be caused by thrombosis, emboli, or dissection of the artery.
    • Syphilis is a cause of Tabetic Syndrome.
    • Vitamin B12 deficiency, copper deficiency, and alcohol abuse are causes of Combined Systems Degeneration.
    • Sensory ataxia, impaired proprioception, and loss of vibratory sensations are clinical features of Tabetic Syndrome.
    • Weakness, spasticity, and loss of vibratory and proprioceptive sensations are clinical features of Combined Systems Degeneration.
    • Sensory ataxia, impaired proprioception, and loss of vibratory sensations are characteristic features of Tabetic Syndrome.
    • Weakness, spasticity, and loss of vibratory and proprioceptive sensations are characteristic features of Combined Systems Degeneration.
    • Copper deficiency is a common cause of hypocupremic myelopathy.
    • Hepatolenticular degeneration is NOT a cause of Combined Systems Degeneration.
    • Cervical segment of the spinal cord has the highest number of nerves.
    • Weakness, atrophy, fasciculations, and hyporeflexia are characteristic features of lower motor neuron (LMN) syndrome.
    • Spinal cord injury is the term used to describe injury to the spinal cord.
    • Brown-Séquard syndrome is characterized by lesions affecting one side of the spinal cord. It usually causes UMN weakness and spasticity.
    • Syphilis is a cause of Tabetic Syndrome.
    • Loss of voluntary bladder and bowel control, loss of pain and temperature sensation below the level of the lesion, and weakness are clinical features of anterior spinal artery syndrome.
    • Weakness, spasticity, and loss of vibratory and proprioceptive sensations are characteristic features of Combined Systems Degeneration.
    • Brown-Séquard syndrome is characterized by lesions affecting one side of the spinal cord. It usually causes UMN weakness and spasticity.
    • Tabes Dorsalis is usually caused by syphilis and affects the posterior cord, resulting in tabetic syndrome and sensory ataxia.
    • Spinal cord injury is the term used to describe injury to the spinal cord.
    • Cervical segment of the spinal cord is prone to closure in anterior spinal artery syndrome.
    • Combined Systems Degeneration is characterized by diffuse involvement of dorsal columns and lateral corticospinal tracts.
    • Anterior spinal artery syndrome can cause loss of voluntary bladder and bowel control.
    • Horner syndrome is characterized by ptosis, miosis, and anhidrosis.
    • Anterior spinal artery syndrome can cause loss of voluntary bladder and bowel control.
    • Horner syndrome is characterized by ptosis, miosis, and anhidrosis.
    • Spastic weakness and loss of pain and temperature should prompt immediate investigation for spinal cord injury.
    • Autoimmune diseases, infections, and trauma are NOT a common causes of transverse myelitis.
    • Trauma, tumors, or congenital malformations can cause syringomyelia.
    • Cervical segment of the spinal cord is prone to closure in anterior spinal artery syndrome.
    • Anterior Spinal Artery Syndrome can be caused by thrombosis, emboli, or dissection of the artery.
    • Brown-Séquard syndrome is characterized by lesions affecting one side of the spinal cord. It usually causes UMN weakness and spasticity.
    • Syringomyelia is characterized by a central canal widening and fluid-filled cavities within the spinal cord.
    • Spinal cord injury is the term used to describe injury to the spinal cord.
    • Anterior spinal artery syndrome can cause loss of voluntary bladder and bowel control.
    • Syphilis is a cause of Tabetic Syndrome.
    • Cervical segment of the spinal cord has the highest number of nerves.
    • Vitamin B12 deficiency, copper deficiency, and alcohol abuse are causes of Combined Systems Degeneration.
    • Vitamin B12 supplementation and treating the underlying cause are the primary treatment for Combined Systems Degeneration.

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    Description

    Quiz: Spinothalamic and Dorsal Column Lesions Test your knowledge on spinothalamic and dorsal column lesions with this quiz. Learn about the deficits associated with these lesions, such as loss of pain and temperature below and contralateral to the lesion, and loss of proprioception and vibration below and ipsilateral to the lesion. Explore the various causes, including trauma, upper motor lesions, and compression from abscess or neoplasm. Challenge yourself and enhance your understanding of these

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