Microbiology Staph. aureus causes vomiting in 16-18 hours. The mechanism of action is A Stimulation of cy AMP B Vagal stimulation C Stimulation of cy GMP D Acts through ganglioside GM receptor 💡 Explanation Staph. aureus causes vomiting in 16-18 hours. The mechanism of action is ✓ Correct Answer: B. Vagal stimulation