Anatomy Cochlea and Hearing Otitis Media Hearing Loss Assessment of Hearing
100
Stapedius
This muscle is connected to the stapes...
100
Scala Vestibuli (vestibular canal), Scala Tympani (tympanic canal) and Scala Media (cochlear duct)
The three canals/fluid-filled spaces in the cochlea are...
100
True
True or false: a child of <6 months with AOM should be treated immediately with an antibiotic?
100
Congenital conductive
What type of hearing loss is the absence/malformation of the auricle?
100
Deafness, Vertigo, Tinnitus, Pain (Otalgia), Discharge (Otorrhoea), Itch
Name two symptoms of ear disease.
200
Equalises pressure between the middle and inner ear, and also drains the middle ear.
What is the function of the Eustachian (auditory) tube?
200
The bony core of cochlea containing the spiral ganglion
What is the modiolus?
200
OM with effusion
Middle-ear effusion without acute signs of infection = ?
200
Infection, trauma, tumour, systemic disease, dermatologic
In the outer ear, name two acquired forms of conductive hearing loss
200
Tympanometry
An objective test which measures the changes in acoustic impedance of the middle ear system in response to changes in air pressure is...
300
Week 4
In which week of development does the ear start to form?
300
3 rows outer hair cells (efferent) for sensitivity of the system and 1 row of inner hair cells (afferent) for sensory transduction
Describe the arrangement of hair cells on the organ of corti
300
3 months
What is the time cut-off for OM to be classed as chronic?
300
Ringing in the ears
What is tinnitus?
300
Otoacoustic Emissions
A test used to confirm sensorineural hearing loss is...
400
o Skin
o Fibro-collagenous core
o Mucous membrane
Name the three layers of the tympanic membrane
400
Frequency
How far sound can resonate along the basilar membrane determines...
400
Chronic Suppurative OM
Purulent drainage from the middle ear for at least two weeks and perforated tympanic membrane = ?
400
Acquired conductive
Otosclerosis is a form of what type of hearing loss?
400
Both
Can a Weber’s Test detect conductive hearing loss, sensorineural hearing loss or both?
500
Eustachian tube is shorter and more horizontal
Why are children more susceptible to middle ear infections than adults?
500
The intensity/volume
The number of hair cells that the sound is able to stimulate determines...
500
Grommets
OME in children who are at risk of speech, language, or learning problems is an indication for what type of treatment?
500
Aminoglycosides
Name a class of antibiotic which is ototoxic
500
Colour, transparency, dilated blood vessels, bulging or retraction, perforation.
Name 3 things you would look for on inspection of the tympanic membrane..






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