Why Do Some Otitis Media Cases Not Respond to Antibiotic

question 45

Multiple Choice

Why do some otitis media cases not respond to antibiotic treatment?

• A) About 30% of cases are caused by respiratory viruses-antibiotics do not help these cases.
• B) Most cases are caused by bacteria that are resistant to commonly prescribed antibiotics.
• C) Otitis media is caused by viruses that constantly undergo antigenic shift and/or antigenic drift.
• D) The bacterial causative organisms mutate frequently, changing their antibiotic target sites.
• E) Unless the exact causative organism is identified, it is impossible to prescribe the correct antibiotic.

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