The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 14-year-old girl is brought to the physician by her father because of fever, chills, abdominal pain, and profuse non-bloody diarrhea. Her symptoms began one week ago, when she had several days of low-grade fever and constipation. She returned from Indonesia 2 weeks ago, where she spent the summer with her grandparents. Her temperature is 39.3°C (102.8°F). Examination shows diffuse abdominal tenderness and mild hepatosplenomegaly. There is a faint salmon-colored maculopapular rash on her trunk and abdomen. Which of the following is the most likely causal organism?   (A) Giardia lamblia   (B) Schistosoma mansoni   (C) Salmonella typhi   (D) Clostridium perfringens
['(C) Salmonella typhi <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Giardia lamblia \n (B) Schistosoma mansoni \n (C) Salmonella typhi \n (D) Clostridium perfringens <> possible answers', '  A 14-year-old girl is brought to the physician by her father because of fever, chills, abdominal pain, and profuse non-bloody diarrhea. Her symptoms began one week ago, when she had several days of low-grade fever and constipation. She returned from Indonesia 2 weeks ago, where she spent the summer with her grandparents. Her temperature is 39.3°C (102.8°F). Examination shows diffuse abdominal tenderness and mild hepatosplenomegaly. There is a faint salmon-colored maculopapular rash on her trunk and abdomen. Which of the following is the most likely causal organism? <> context@']