The microorganism most commonly cultured from a chronic bilateral ulcer at the corner of mouth____________?
Correct answer: B. Candida
- A. Mucor
- B. Candida
- C. Treponema
- D. Aspergillus
Explanation
A chronic fissure or ulcer at the mouth corner is angular cheilitis, in which Candida is a common cultured organism, often with local moisture or denture-related factors. Treponema and Aspergillus are not the usual causes of this presentation.
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