<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Regarding Clostridium perfringens gas gangrene, false is -
Options:
A. Common cause of gas gangrene
B. Nagler reaction positive
C. Most common toxin is hyaluronidase
D. Food poisoning strain of Cl. perfringens produces heat resistant spores
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is C: Most common toxin is hyaluronidase. Explanation: Ans. is. 'c' i.e., Most common toxin is hyalronidase . The most common and most impoant toxin produced by CL perfringensis a- toxin (lecithinase). Clostridium perfringens food poisoning . Some strains of type A Cl. perfringens produce poisoning. They are characterised by the marked heat resistance of their spores and the feeble production of alpha and theta toxins. . Food poisoning is due to production of heat labile enterotoxin. . The food sources primarily involved are meat, meat products and poultry. . Incubation period is 8-24 hours. . Nausea, diarrhea and epigastric pain are the usual symptoms. Fever and vomiting are uncommon.<|im_end|>
