KROK 1 2010 – Question 10 · KROK (Medicine) · Physiology

A 60 year old patient has impaired perception of high-frequency sounds. These changes were caused by damage of the following auditory analyzer structures:

  1. A. Tympanic membrane
  2. B. Middle ear muscles
  3. C. Main cochlea membrane near the oval window
  4. D. Main cochlea membrane near the helicotrema
  5. E. Eustachian tube
Hint

Think about the tonotopic organisation of the inner ear, where each frequency is mapped to a different place along the spiral, and which end handles the highest pitches.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Physiology