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Question:
A 2-year-old child has a fever. She is irritable and tugs on her ear. Physical exam confirms otitis media, and laboratory analysis of the exudate shows a gram-negative bacteria. What is the most likely cause of the infection?
Correct Answer: A. Haemophilus influenzae
Pseudomonas aeruginosa causes malignant otitis externa but not otitis media. Streptococcus pyogenes and Streptococcus pneumoniae are gram-positive. Klebsiella pneumoniae generally does not cause otitis media.
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1. Question
Category: MicrobiologyA 2-year-old child has a fever. She is irritable and tugs on her ear. Physical exam confirms otitis media, and laboratory analysis of the exudate shows a gram-negative bacteria. What is the most likely cause of the infection?
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