Inner Ear MCQs

Truth about Reissners membrane

• Present between middle and external ear

• Present between middle ear and inner ear

• present between scala vestibuli and scala media

• Present between scala media and scala tympani

The organs in the inner ear involved with balance are the

• semicircular canals and cochlea

• vestibule and semicircular canals

• vestibule and cochlea

• None of the above

Semicircular canals opens into

• Saccule

• Endo lymphatic sac

• Scala media

• Utricle

The actual hearing receptors in the inner ear are called

• Scala vestibuli

• Scala tympani

• Lateral semi circular canal

• organ of corti

The medial wall of the middle ear shows the following EXCEPT

• 1. The promontory

• 1. The oval window

• 1. The pyramid

• 1. The lateral semicircular canal

All are true about the Eustachian tube EXCEPT

• 1. It opens during swallowing.

• 1. It ventilates the middle ear.

• 1. It is wider & horizontal in children.

• 1. It opens in the oropharynx.

Equilibrium during angular "rotational" movement is the function of

• 1. utricle

• 1. saccule

• 1. cochlea.

• 1. semicircular canal

Truth about External acoustic meatus

• Absent in neonates

• Develops From 1st and 2 nd Branchial cleft

• Cartilaginous part - medial 2/3

  Boney part - lateral 1/3

• Length 24 mm

Most common site of pre auricular sinus

• Root of helix

• Crus helix

• Tragus

• Incisura

What is mode of hearing rehabilitation which is given in external deformities of ear ?

• In the canal hearing aid

• BAHA

• Behind the ear hearing aid

• Cochlear implants