28 Questions
What is the primary function of the outer ear?
To collect and direct sound waves towards the eardrum
What is the name of the canal that connects the middle ear to the back of the nose?
Eustachian Tube
Which of the following bones is NOT part of the ossicles in the middle ear?
Tibia
What is the purpose of the Eustachian Tube in the middle ear?
To equalize the pressure in the middle ear
What is the function of the cochlea in the inner ear?
To convert sound waves to electrical impulses
Which of the following structures is NOT part of the inner ear?
Tympanic Membrane
What is the first step in the process of hearing?
Sound waves travel down the external auditory canal
What is the purpose of Rinne's Test?
To compare the perception of sounds conducted via air and bone
What is the role of the ossicles in the hearing process?
To amplify the sound
What is the purpose of striking the Tuning Fork softly in Rinne's Test?
To avoid causing patient discomfort
What is the frequency of the Tuning Fork used in Rinne's Test?
512 Hz
What is the final step in the process of hearing?
The brain translates electrical impulses as sound
What is the purpose of Weber's test?
To detect unilateral conductive hearing loss and unilateral sensorineural hearing loss
What is the frequency of the Tuning Fork used in Weber's test?
512 Hz
In a normal Rinne's test, what does the patient hear?
A louder and longer tone when the Tuning Fork is held next to the ear
How long is the vibrating Tuning Fork placed on the middle of the patient's head in Weber's test?
2-3 seconds
What is the result of a positive Rinne's test?
The patient hears the tone louder and longer when the Tuning Fork is held against the mastoid bone
How is the Tuning Fork struck in Weber's test?
Against the heel of the hand
What is the normal response in a Weber's test?
Sound is heard equally at both ears
What is the purpose of otoscopy?
To examine the eardrum
What is audiometry?
A test to measure hearing ability
What is the normal range of human hearing?
20 Hz to 20,000 Hz
What is deafness?
The inability to understand speech through hearing
What is cerumen impaction?
A blockage of the outer ear canal by earwax
What is otitis externa?
An infection of the outer ear
What is mastoiditis?
An infection of the mastoid air cells
What is a treatment for otitis externa?
Antibiotic eardrops
What is a complication of mastoiditis?
Facial nerve palsy
This quiz covers the basics of ear disorders, including the anatomy and physiology of the ear. Learn about the different parts of the ear, including the outer ear, middle ear, and eardrum. Test your knowledge of ear disorders and their effects on hearing and balance.
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