PNS: Nerve Disorders
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Questions and Answers

A patient reports pain along the path of the sciatic nerve without any observable structural damage. Which term best describes this condition?

  • Neuritis
  • Neuralgia (correct)
  • Neuroma
  • Neuropathy

An MRI reveals inflammation of the L5 spinal nerve root. Which term accurately describes this condition?

  • Radiculitis (correct)
  • Radiculopathy
  • Plexopathy
  • Polyradiculopathy

A patient presents with weakness and numbness in the arm, and imaging shows compression of the brachial plexus. Which term is most appropriate to describe this condition?

  • Polyradiculopathy
  • Radiculopathy
  • Plexopathy (correct)
  • Neuropathy

Which of the following best describes 'Double Crush Syndrome'?

<p>A nerve being compressed at two or more distinct locations. (C)</p> Signup and view all the answers

A physical examination reveals spontaneous contractions of muscle fibers in a patient's lower leg. What is the correct terminology for this observation?

<p>Fasciculation (B)</p> Signup and view all the answers

A patient who had a stroke now has paralysis in their left arm. The muscles are soft and offer no resistance to movement. Deep tendon reflexes are absent. Which term best describes this condition?

<p>Flaccidity (A)</p> Signup and view all the answers

Following a nerve injury, a patient experiences a decrease in the size of their calf muscle. What is the correct term for this observation?

<p>Atrophy (C)</p> Signup and view all the answers

A patient presents with numbness, tingling, and weakness in both legs due to compression of multiple nerve roots in the lumbar spine. Which term is most appropriate?

<p>Polyradiculopathy (A)</p> Signup and view all the answers

A patient reports experiencing sharp, shooting pains down their arm, but neurological examination and imaging studies reveal no structural abnormalities in the nerves themselves. Which of the following terms best describes this condition?

<p>Neuralgia (A)</p> Signup and view all the answers

An MRI reveals inflammation of the nerve supplying the quadriceps muscle group. Which term accurately describes this condition?

<p>Neuritis (D)</p> Signup and view all the answers

Electromyography (EMG) testing of a patient's calf muscle reveals spontaneous, involuntary contractions of individual muscle fibers. What term accurately describes this clinical finding?

<p>Fasciculation (D)</p> Signup and view all the answers

A patient presents with paralysis characterized by a complete lack of muscle tone and absent deep tendon reflexes in the affected limb. Which term best describes this condition?

<p>Flaccidity (A)</p> Signup and view all the answers

Following a prolonged period of immobilization due to a nerve injury, a patient's thigh muscle exhibits a noticeable reduction in size. What term accurately describes this observation?

<p>Atrophy (A)</p> Signup and view all the answers

A patient is diagnosed with compression of the brachial plexus due to thoracic outlet syndrome. Which term accurately describes this condition?

<p>Plexopathy (D)</p> Signup and view all the answers

A patient experiences both carpal tunnel syndrome and compression of the median nerve as it passes between the two heads of pronator teres. Which of the following terms describes this scenario?

<p>Double Crush Syndrome (A)</p> Signup and view all the answers

A patient presents with numbness, tingling, and weakness that affects multiple nerve roots in the cervical spine region. Which term is the most appropriate to describe this condition?

<p>Polyradiculopathy (D)</p> Signup and view all the answers

Flashcards

Neuropathy

Functional disturbance/pathological change in nerve function.

Neuralgia

Nerve pain without objective signs/structural damage.

Neuritis

Inflammation of a nerve.

Neuroma

Overgrowth of nerve cells.

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Radiculitis

Inflammation of a spinal nerve root.

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Radiculopathy

Nerve root compression causing numbness/weakness.

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Fasciculation

Spontaneous contraction of muscle fibers, may indicate denervation.

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Double Crush Syndrome

Nerve compressed in multiple locations.

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Polyradiculopathy

Affecting more than one nerve root

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Plexopathy

Disorder of a major nerve network (cervical, brachial, or lumbosacral)

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Flaccidity

Paralysis with lack of muscle tone and decreased/absent reflexes

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Atrophy

Decrease/wasting away of body part/tissue

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Study Notes

  • Neuropathy is a functional disturbance and/or pathological change in nerve function.
  • Neuralgia is pain in the distribution of nerves, generally in the absence of objective signs or structural damage to the nerve.
  • Neuritis is inflammation of the nerve.
  • Neuroma is an overgrowth of nerve cells.
  • Radiculitis is inflammation of a spinal nerve root.
  • Radiculopathy is compression of a nerve root, causing numbness and/or weakness.
  • Polyradiculopathy describes more than 1 nerve root being affected.
  • Plexopathy is a disorder involving one of the major neural plexuses, such as the cervical, brachial, or lumbosacral.
  • Fasciculation is the spontaneous contraction of muscle fibers in denervated tissue.
  • Flaccidity is paralysis in which:
    • Muscle tone is lacking in the affected muscles.
    • Tendon reflexes are decreased or absent.
  • Atrophy is a decrease in size or wasting away of a body part or tissue.
  • Double Crush Syndrome is a condition where a nerve is compressed or injured in more than one location.
    • Example: median nerve compression at both the carpal tunnel and pronator teres.

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Description

This covers various nerve disorders, including neuropathy (nerve dysfunction), neuralgia (nerve pain), and neuritis (nerve inflammation). It also explains neuroma (nerve cell overgrowth), radiculitis/radiculopathy (nerve root issues), plexopathy (neural plexus disorder), fasciculation, flaccidity, atrophy and double crush syndrome.

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