Otosclerosis Quiz

What is the primary characteristic of otosclerosis?

• Localized hereditary disorder affecting endochondral bone

• Excessive bone growth in the skull

• Infection of the inner ear

• Complete loss of hearing

Which type of otosclerosis involves the stapes bone?

• Asymptomatic otosclerosis

• Histological otosclerosis

• Cochlear otosclerosis

• Clinical otosclerosis

What is the most common site for otosclerotic lesions?

• Area anterior to oval window

• Round window niche

• Apical medial wall of cochlear labyrinth

• Stapes footplate

What is the typical hearing loss range caused by otosclerosis?

• 20-30 dB

• 10-20 dB

• 60-80 dB

• 5-60 dB

Which demographic is most commonly affected by otosclerosis?

• African American people

• Asian people

• Caucasian people

• Native American people

What is the hallmark audiologic sign of otosclerosis?

• Weber test

• Rinne test

• Schwabach test

• Carhart notch

What is the primary surgical procedure for otosclerosis?

• Stapedotomy

• Stapedectomy

• Myringotomy

• Tympanoplasty

What is a common vestibular symptom in otosclerosis patients?

• Nausea

• Dysequilibrium

• Tinnitus

• Hearing loss

What is the role of RANK-L in otosclerosis?

• Stimulates bone formation

• Promotes osteoclast differentiation

• Decreases vascularity

• Inhibits bone remodeling

What is the typical age range for the onset of symptoms in otosclerosis?

• Second decade of life

• Fifth decade of life

• First decade of life

• Third and fourth decades of life