Intermediate Vestibule Quiz

Q1. Which recess of the bony vestibule contains the utricle?

• Facial recess
• Cochlear recess
• Spherical recess
• Elliptical recess

Q2. Which recess of the bony vestibule contains the saccule?

• Spherical recess
• Epitympanic recess
• Suprameatal recess
• Elliptical recess

Q3. How is the utricular macula oriented when the head is upright?

• Approximately horizontal
• Parallel only to the cochlear modiolus
• Perpendicular to all gravitational forces
• Approximately vertical

Q4. How is the saccular macula oriented when the head is upright?

• Parallel to the lateral semicircular canal
• Approximately horizontal
• Independent of spatial orientation
• Approximately vertical

Q5. What is the striola of an otolith-organ macula?

• An opening into the middle ear
• A ligament attaching the stapes
• A curved region associated with a change in hair-cell orientation
• A ganglion in the facial canal

Q6. Which vestibular nerve division generally carries most utricular sensory fibers?

• Facial nerve
• Superior vestibular nerve
• Inferior vestibular nerve only
• Cochlear nerve

Q7. Which vestibular nerve division generally carries sensory fibers from the saccule?

• Superior vestibular nerve only
• Chorda tympani
• Greater petrosal nerve
• Inferior vestibular nerve

Q8. How do the semicircular ducts communicate with the utricle?

• Through the round window
• Through the auditory tube
• Through openings of the semicircular ducts into the utricle
• Through the cochlear aqueduct

Q9. Which structure connects the saccule to the cochlear duct?

• Ductus reuniens
• Common crus
• Endolymphatic sac
• Vestibular aqueduct

Q10. Which bony canal transmits the endolymphatic duct toward the posterior cranial fossa?

• Cochlear aqueduct
• Carotid canal
• Facial canal
• Vestibular aqueduct