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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?

Cochlear and auditory cortex (D) Signup and view all the answers

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

Normal hearing organ hearing an abnormal sound (A) Signup and view all the answers

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

Arterial causes (C) Signup and view all the answers

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

Visual impairment (B) Signup and view all the answers

What is the concept of de-afferentation related to?

Loss of input from nerve fibres (A) Signup and view all the answers

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

Abnormal neural activity in the nervous system (B) Signup and view all the answers

What does ephaptic transmission promote according to the text?

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