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

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

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

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

<p>Semi-circular canals (D)</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 (D)</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 (D)</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 (C)</p> Signup and view all the answers

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

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

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

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

What is a common symptom associated with ganglionopathies?

<p>Balance problems (D)</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 (D)</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 (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

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

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

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

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

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