Medial wall Middle ear cavity

The medial wall of the middle ear cavity is connected to the

• External ear cavity

• Internal ear cavity

• Nasopharynx

• Eye orbit

The oval window is attaches to which ear ossicle?

• Malleus

• Incus

• Stapes

Sound transmission exits cochlea via the oval window

• TRUE

• False

Answer explanation

Sound enters cochlea via oval window & exits via round wndow

The promontory is an impression formed by the

• Semicircular canal

• The vestibular complex

• Cochlea

The facial nerve supplies which muscle in the ear

• Stapedius

• Tensor tympani