<prompt> Cholera toxin irreversibly stimulates the cAMP-dependent pump in intestinal cells resulting inCl- rich watery diarrheaK rich watery diarrheaNa rich watery diarrheaCa rich watery diarrhea  <response>: Cholera toxin irreversibly stimulates the cAMP-dependent Cl- pump in intestinal cells resulting in massive Cl- rich watery diarrhea. Death is caused by extreme dehydration and electrolyte imbalance. 