This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Water loss of 5fi)-l0ffiml/hour in cholera is know as- 
Select and explain. 
A. Cholera gravis, B. Cholera mitis, C. Cholera majoris, D. Cholera intermedius
A: Cholera gravis
Answer: A: Cholera gravis 
Explanation: Anwer-Ans. is 'a' i.e., Cholera gravis Vibrio cholera infection manifestations range from asymptomatic to mild diarrhea to severe diarrhea.Massive watery diarrhea (known as cholera gravis) may cause loss of 1000 ml water per hour. This can cause hypotensive shock & death.