Question

1. What structure separates the scala vestibuli from the scala media?

a. Vestibular membrane

b. Synovial membrane

c. Basilar membrane

d. Tympanic membrane

2. The smallest bones in the ear are collectively known as the

a. Neurons

b. Lacunae

c. Ossicles

d. Osteons

3.In the cochlea the hair cells sit on a membrane called;

Tectorial membrane

Cutaneous membrane

Vestibular membrane

Basilar membrane

4. The auditory (acoustic) is part of the ___

a. Middle ear

b. Pinna

c. Inner ear

d. External ear

Answer 1

1).What structure separates Scala vestibuli from scala media- a).Vestibular Membrane. { The Vestibular membrane is also known ad the Reissner's Membrane}.

2).The smallest bones in the ear are collectively known as the - c).Ossicles. { Malleus, incus, Stapes are the three ossicles}.

3).In the cochlea, the hair cells sit on a membrane called- d).Basilar Membrane.  { Basilar Membrane separates the Scala media from scala tympani..It forms the base of Organ of Corti which helps in hearing}.

4).The auditory ( accoustic) is part of the  c). Inner ear.