Sensory Disorders: Herpes Zoster and Tabes Dorsalis
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Sensory Disorders: Herpes Zoster and Tabes Dorsalis

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Questions and Answers

Which condition is characterized by the reactivation of chicken pox in dorsal root ganglia?

  • Mononeuropathy
  • Tabes dorsali
  • Ganglinpathies
  • Hrps zoster (shingles) (correct)

    • What is the typical region affected by Tabes dorsali?

  • Lumbar region (correct)
  • Cervical region
  • Thoracic region
  • Sacral region

    • Which nerve disorder can affect axons, myelin, or both?

  • Mononeuropathy
  • Vestibular system disorder
  • Ganglinpathies
  • Neuropathies (correct)

    • What is a common symptom of neuropathy that affects the distal limbs in a glove and stocking pattern?

    <p>Progressive sensory ataxia</p> Signup and view all the answers

    Which nerve disorder can be caused by an overdose of pyridoxine (vitamin B6)?

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

    Which structure within the inner ear detects angular acceleration around three orthogonal axes?

    <p>Semi-circular canals</p> Signup and view all the answers

    Which nerve disorder is characterized by the slow degeneration of dorsal columns, roots, and ganglia in the spinal cord?

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

    What is the mechanism by which an overdose of pyridoxine (vitamin B6) causes peripheral neuropathy?

    <p>Reduced blood supply to nerves</p> Signup and view all the answers

    In neuropathy, what is the common pattern of sensory loss and paresthesias that typically occurs?

    <p>Glove and stocking pattern</p> Signup and view all the answers

    What structure in the inner ear detects angular acceleration along three orthogonal axes?

    <p>Semicircular canals</p> Signup and view all the answers

    Which autoimmune response can lead to polyneuritis and inflammation affecting multiple nerves?

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

    What is a common symptom associated with ganglionopathies?

    <p>Balance problems</p> Signup and view all the answers

    What is the main function of hair cells within the ampulla adjacent to the utricle in the inner ear?

    <p>Detecting angular acceleration</p> Signup and view all the answers

    What is the role of endolymph fluid in detecting head movements?

    <p>It lags behind during head movements, deflecting hair cell receptors</p> Signup and view all the answers

    What consequence does untreated syphilis have on the spinal cord after 10-30 years?

    <p>Proprioceptive loss and ataxic gait</p> Signup and view all the answers

    Which part of the body is typically affected by distal symmetric polyneuropathy?

    <p>Distal limbs like hands and feet</p> Signup and view all the answers

    What is the function of the semi-circular canals in the inner ear?

    <p>Detect angular acceleration</p> Signup and view all the answers

    Where are the hair cells responsible for detecting head movements located in the inner ear?

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

    What happens to the firing rate of hair cell receptors in response to deflection in the utricle?

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

    How are the cilia of hair cells within the semi-circular canals protected?

    <p>Encased in gelatinous material (cupola)</p> Signup and view all the answers

    What occurs to the firing rate of hair cell receptors during deceleration?

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

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