Medicine What is the most likely cause of this finding in a man from Mexico who had a biopsy showing gram-negative bacilli? A Klebsiella rhinoscleromatis B Mycobacterium leprae C Acinetobacter baumannii D Treponema pallidum 💡 Explanation What is the most likely cause of this finding in a man from Mexico who had a biopsy showing gram-negative bacilli? ✓ Correct Answer: A. Klebsiella rhinoscleromatis