Which of the following is a risk factor for benign paroxysmal positional vertigo (BPPV)?

A 60-year-old male with a history of smoking presents with a new-onset neck mass and hoarseness. What is the most appropriate next step in diagnosis?

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?

If the price of crude oil, an input into gasoline production, increases and the number of people who own cars falls the equilibrium price of gasoline will:

A 30-year-old woman has a 4-month history of a slowly enlarging, painless mass on the lateral neck. She is otherwise asymptomatic. Which of the following diagnoses is most concerning?

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

Which cranial nerve is responsible for sensation to the anterior two-thirds of the tongue and muscle movements for facial expression?

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?

Randy likes baseball more than football, football more than basketball, and basketball more than baseball. Which assumption about consumer preferences does this violate?

Sarinda consumes crab cakes and tuna. Sarinda’s utility increases with the consumption of crab cakes, but her utility neither increases nor decreases with the consumption of tuna. Assuming tuna is on the x-axis and crab cake is on the y-axis, what do Sarinda’s indifference curves look like?