Which of the following is the most common cause of sensorineural hearing loss in older adults?

What is the gold standard imaging modality for diagnosing acoustic neuroma?

A 60-year-old woman presents with progressive hearing loss and vertigo. MRI shows a tumor on cranial nerve VIII. Which condition does this describe?

A 45-year-old woman presents with a sensation of fullness in her right ear and decreased hearing. She has a history of allergic rhinitis. On examination, the tympanic membrane is retracted with no fluid noted behind the TM. What is the most likely diagnosis?

(Figure: Firm I) The type of firm depicted in the figure is a firm in a(n) _____ market.    

Which of the following is the primary mechanism for conductive hearing loss?

(Figure: Market for Asparagus I) A price ceiling of $2 would cause a shortage of _____ lbs of asparagus.    

What is the drug of choice for Group A streptococcal pharyngitis in adults?

A 40-year-old woman presents with a red, swollen auricle following trauma. The ear is tender to palpation. What is the most appropriate initial management?

Meera operates Ducks Unlimited, which raises mallard ducks to sell to dog food companies. Meera leases the land for $5,000 per month and hires workers at $1,000 per worker per month.   Workers (per month) Ducks (trailer loads per month) VC FC TC MC 0 0 1 1 4 2 10 3 With 10 workers, the fixed cost is $_____.