Hearing and Vestibular Sensation

Review Questions

In sound, pitch is measured in _____, and volume is measured in _____.

  1. nanometers (nm); decibels (dB)
  2. decibels (dB); nanometers (nm)
  3. decibels (dB); hertz (Hz)
  4. hertz (Hz); decibels (dB)

Hint:

D

Auditory hair cells are indirectly anchored to the _____.

  1. basilar membrane
  2. oval window
  3. tectorial membrane
  4. ossicles

Hint:

A

Which of the following are found both in the auditory system and the vestibular system?

  1. basilar membrane
  2. hair cells
  3. semicircular canals
  4. ossicles

Hint:

B

Benign Paroxysmal Positional Vertigo is a disorder where some of the calcium carbonate crystals in the utricle migrate into the semicircular canals. Why does this condition cause periods of dizziness?

  1. The hair cells in the semicircular canals will be constantly activated.
  2. The hair cells in the semicircular canals will now be stimulated by gravity.
  3. The utricle will no longer recognize acceleration.
  4. There will be too much volume in the semicircular canals for them to detect motion.

Hint:

B