Peptostreptococcus is categorized as which type of organism in cat bite abscesses?

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Study for the Clinical Approach to Common Infections Test. Prepare using flashcards and multiple-choice questions, all with hints and explanations. Ace your exam!

Multiple Choice

Peptostreptococcus is categorized as which type of organism in cat bite abscesses?

Explanation:
The main idea is that this organism thrives in low-oxygen environments typical of abscesses. Peptostreptococcus species are gram-positive cocci that are obligate anaerobes and are part of the normal oral flora. In cat bite abscesses, the pus-filled, oxygen-poor space favors anaerobic bacteria, so Peptostreptococcus is a common anaerobic contributor to the infection. It’s not a fungus or a virus, and while cat bite infections can include aerobic bacteria, the defining characteristic of this organism in that setting is its anaerobic nature.

The main idea is that this organism thrives in low-oxygen environments typical of abscesses. Peptostreptococcus species are gram-positive cocci that are obligate anaerobes and are part of the normal oral flora. In cat bite abscesses, the pus-filled, oxygen-poor space favors anaerobic bacteria, so Peptostreptococcus is a common anaerobic contributor to the infection. It’s not a fungus or a virus, and while cat bite infections can include aerobic bacteria, the defining characteristic of this organism in that setting is its anaerobic nature.

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