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Which treatment is most effective for repositioning dislodged otoconia in patients with benign paroxysmal positional vertigo (BPPV)?

A 22-year-old female presents with fever, sore throat, and anterior cervical lymphadenopathy. Examination shows tonsillar exudates and the patient reports no cough. What is the most likely diagnosis?

A 32-year-old female presents with sore throat, fever, and painful swallowing. Examination reveals a red pharynx with tonsillar exudates. A rapid antigen test for streptococcus is negative. What is the next step in management?

A 5-year-old boy presents with ear pain and fever. Otoscopy reveals bullae on the tympanic membrane. What is the most likely diagnosis?

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?

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

(Figure: Demand Shifts II) Which factor could cause a movement from point A to point B?    

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

A 5-year-old presents with ear pain and fever. Physical exam reveals a red, bulging tympanic membrane, and the child is in significant distress. What is the most appropriate first-line treatment?

When comparing a monopoly outcome to a perfectly competitive outcome, the monopolist produces _____ and charges a _____ price.