QuestionSBA
QuestionChoice
This is the function of the bony ossicles, malleus, incus and stapes in the middle ear.
10003072
b
Transmit sound waves from the tympanic membrane to the inner ear
QuestionChoice
This is the function of the cochlea.
10003075
e
Converts sound waves into electrical signals for auditory transduction
QuestionChoice
This is the function of the auricle or pinna.
10003073
c
Collect sound waves from outside and channel them into the external auditory meatus for amplification
QuestionChoice
The Eustachian tube is a space connecting the middle ear cavity of both ears to the nasopharynx. It is involved in equalising the air pressure on the inner and outer sides of both the tympanic membranes. It also helps drain fluids and secretions from the middle ear and prevents middle ear infections.
10003071
a
Normalise the air pressure on both sides of each tympanic membrane
QuestionChoice
This is the function of the vestibule.
10003074
d
Provide a sense of balance and spatial awareness for coordination
Concept
Chapter
2693
4112
Middle ear anatomy
Topic
138
Ear, Nose & Throat
13161
Children with Down's syndrome are at risk of Eustachian tube dysfunction, which can cause conductive hearing loss.

What is the function of the Eustachian tube?
a