Staph. aureus causes vomiting in 2 hours after eating contaminated milk product . The mechanism of action is -
Option 1, 3 Increase in cyclic AMP/GMP-accumulation of sodium chloride in the intestinal lumen- Diarrhea. Option 2 Toxin Stimulates the vagus nerve and vomiting center of brain. Acts directly on the autonomic nervous system rather than on gastrointestinal mucosa. Option 4 Cholera toxin: binds to GM1 ganglioside receptors present on the intestinal epithelium
Stimulation of C AMP
Vagal stimulation
Stimulation of C GMP
Acts through ganglioside GM receptor
Systemic Bacteriology Pa 1 (Gram Positive Cocci, Gram Negative Cocci)