Microbiology Symptoms of C. botulinum food poisoning include double vision, inability to speak, and respiratory paralysis. These symptoms are consistent with A Invasion of the gut epithelium by C. botulinum B Secretion of an enterotoxin C Endotoxin shock D Ingestion of a neurotoxin 💡 Explanation Symptoms of C. botulinum food poisoning include double vision, inability to speak, and respiratory paralysis. These symptoms are consistent with ✓ Correct Answer: A. Invasion of the gut epithelium by C. botulinum