Microbiology The organism causing “Pseudomembranous” colitis: A The organism causing "Pseudomembranous" colitis: B Clostridium perfringens C Clostridium tetani D Clostridium botulinum 💡 Explanation The organism causing "Pseudomembranous" colitis: ✓ Correct Answer: A. The organism causing "Pseudomembranous" colitis: