12-16-2008, 04:10 PM
A 63-year-old woman, who was on a group tour to the Yucatan Peninsula, developed abdominal cramping and flatulence on the third day of her trip. The next day, she had watery diarrhea with five or six stools daily. Five of the other 32 members of the tour had similar symptoms. The group stayed in excellent hotels and ate only in hotel restaurants. They all drank bottled water and tried to eat well-cooked foods.
The patient took loperamide and bismuth subsalicylate for her symptoms. She felt well by the sixth day of the trip and had only two formed stools daily.
Which of the following pathogens was the most likely cause of her diarrhea?
A Vibrio cholerae
B Campylobacter jejuni
] C Shigella dysenteriae
D Salmonella typhimurium
] E Escherichia coli
The patient took loperamide and bismuth subsalicylate for her symptoms. She felt well by the sixth day of the trip and had only two formed stools daily.
Which of the following pathogens was the most likely cause of her diarrhea?
A Vibrio cholerae
B Campylobacter jejuni
] C Shigella dysenteriae
D Salmonella typhimurium
] E Escherichia coli