This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
Cholera toxin irreversibly stimulates the cAMP-dependent pump in intestinal cells resulting in 
Select and explain. 
A. Cl- rich watery diarrhea, B. K+ rich watery diarrhea, C. Na+ rich watery diarrhea, D. Ca+ rich watery diarrhea
A: Cl- rich watery diarrhea
Answer: A: Cl- rich watery diarrhea 
Explanation: 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.