Ear Disorders and Anatomy

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What is the primary function of the outer ear?

To convert sound waves to electrical impulses
To maintain balance and equilibrium
To transmit sound waves to the inner ear
To collect and direct sound waves towards the eardrum (correct)

What is the name of the canal that connects the middle ear to the back of the nose?

Eustachian Tube (correct)
Cochlear Canal
Tympanic Cavity
Auditory Canal

Which of the following bones is NOT part of the ossicles in the middle ear?

Malleus
Tibia (correct)
Stapes
Incus

What is the purpose of the Eustachian Tube in the middle ear?

To equalize the pressure in the middle ear (A) Signup and view all the answers

What is the function of the cochlea in the inner ear?

To convert sound waves to electrical impulses (C) Signup and view all the answers

Which of the following structures is NOT part of the inner ear?

Tympanic Membrane (A) Signup and view all the answers

What is the first step in the process of hearing?

Sound waves travel down the external auditory canal (C) Signup and view all the answers

What is the purpose of Rinne's Test?

To compare the perception of sounds conducted via air and bone (D) Signup and view all the answers

What is the role of the ossicles in the hearing process?

To amplify the sound (A) Signup and view all the answers

What is the purpose of striking the Tuning Fork softly in Rinne's Test?

To avoid causing patient discomfort (C) Signup and view all the answers

What is the frequency of the Tuning Fork used in Rinne's Test?

512 Hz (A) Signup and view all the answers

What is the final step in the process of hearing?

The brain translates electrical impulses as sound (D) Signup and view all the answers

What is the purpose of Weber's test?

To detect unilateral conductive hearing loss and unilateral sensorineural hearing loss (A) Signup and view all the answers

What is the frequency of the Tuning Fork used in Weber's test?

512 Hz (C) Signup and view all the answers

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 (C) Signup and view all the answers

How long is the vibrating Tuning Fork placed on the middle of the patient's head in Weber's test?

2-3 seconds (A) Signup and view all the answers

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 (D) Signup and view all the answers

How is the Tuning Fork struck in Weber's test?

Against the heel of the hand (D) Signup and view all the answers

What is the normal response in a Weber's test?

Sound is heard equally at both ears (D) Signup and view all the answers

What is the purpose of otoscopy?

To examine the eardrum (C) Signup and view all the answers

What is audiometry?

A test to measure hearing ability (C) Signup and view all the answers

What is the normal range of human hearing?

20 Hz to 20,000 Hz (D) Signup and view all the answers

What is deafness?

The inability to understand speech through hearing (D) Signup and view all the answers

What is cerumen impaction?

A blockage of the outer ear canal by earwax (A) Signup and view all the answers

What is otitis externa?

An infection of the outer ear (B) Signup and view all the answers

What is mastoiditis?

An infection of the mastoid air cells (C) Signup and view all the answers

What is a treatment for otitis externa?

Antibiotic eardrops (C) Signup and view all the answers

What is a complication of mastoiditis?

Facial nerve palsy (D) Signup and view all the answers