Mechanisms of Tinnitus Generation
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Questions and Answers

What is the most common somatosound associated with objective tinnitus?

  • Ringing in the ears
  • Roaring in the ears
  • Buzzing in the ears
  • Pulsatile tinnitus (correct)

Which type of tinnitus is not associated with an identifiable sound source?

  • Subjective tinnitus (correct)
  • Prolonged spontaneous tinnitus
  • Neurophysiologic tinnitus
  • Objective tinnitus

What duration of time qualifies as tinnitus according to the provided definition?

  • 3 months (correct)
  • 12 months
  • 1 year
  • 5 minutes

Where can the origin of pulsatile tinnitus exist in the body?

<p>Cochlear and auditory cortex (D)</p> Signup and view all the answers

What is the key mechanism underlying the generation of pulsatile tinnitus?

<p>Normal hearing organ hearing an abnormal sound (A)</p> Signup and view all the answers

What is the most likely cause of pulsatile tinnitus synchronous with the heartbeat?

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

Which factor is NOT listed as a risk factor for tinnitus?

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

What is the concept of de-afferentation related to?

<p>Loss of input from nerve fibres (A)</p> Signup and view all the answers

What is the main cause of subjective tinnitus according to the text?

<p>Abnormal neural activity in the nervous system (B)</p> Signup and view all the answers

What does ephaptic transmission promote according to the text?

<p>Temporal coherent firing of many nerve fibres (A)</p> Signup and view all the answers

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