Hearing and Balance


  1. It is true that:
    1. n. petrosus minor is a continuation of n. tympanicus
    2. n. petrosus minor leaves the tympanic cavity through its caudal wall
    3. n. petrosus minor is a branch of n. facialis (n. VII)
    4. Fenestra vestibuli serves for membrana tympani secundaria
    5. none of the statements are true
  2. It is true that:
    1. ductus semicirculares serve for hearning
    2. ductus cochlearis is limited by membrana basilaris and membrana vestibularis
    3. medial portion of tuba auditiva is formed by bone tissue
    4. caudal wall of tympanic cavity is nearby to a. carotis interna
    5. no answer is correct
  3. It is true that:
    1. The lateral portion of meatus acusticus externus is formed of bone tissue
    2. The medial portion of tuba auditiva is formed of bone tissue
    3. m. tensor tympani is attached to the head of malleolus
    4. macula utriculi is oriented in a transverse plane
    5. no answer is correct
  4. It is true that:
    1. The promontorium is located on the lateral wall of the tympanic cavity
    2. Endolymph fills space between bony and the membranous labyrinth
    3. The Cochlea is oriented such that the basis lies at the bottom of meatus acusticus internus
    4. In Fenestra Cochleae is located the basis stapedis
    5. All the answers are correct
  5. It is true that:
    1. The cochlear portion of n. VIII runs through the ventral caudal quarter of fundus meatus acustici interni
    2. Malleolus is articulated with stapes
    3. lamina vestibularis separates ductus cochlearis from ductus tympanicus
    4. ostium pharyngeum of tuba auditiva opens in meatus nasi medius
    5. No previous statement is correct
  6. It is true that m. tensor tympani is innervated by:
    1.  n. IX
    2.  n. VII
    3.  n. X
    4.  n. V
    5. All mentioned nerves
  7. It is true that:
    1. The caudal wall of the tympanic cavity is nearby to vena jugularis interna
    2. Basis stapedis is located in fenestra vestibuli
    3. Utriculus and sacculus are formations of the vestibule
    4. m. stapedius is innervated by n. facialis
    5. All statements are correct
  8. It is true that:
    1. The ear is formed entirely of cartilage
    2. canalis semicircularis lat. and canalis semicircularis post. have crus commune 
    3. tuba auditiva runs through canalis musculotubarius
    4. promontorium is located on the lateral wall of the tympanic cavity
    5. No statement is correct