KROK 1 2023 – Question 82 · KROK (Medicine) · Microbiology, Virology, and Immunology
A 43-year-old man was hospitalized with complaints of fever with chills, loss of appetite, malaise, diarrhea, and diffuse abdominal pain, observed for the last week. The fever started slowly and gradually increased to the current 39.8°C. The blood pressure is 110/70 mm Hg. Objectively, the tongue is coated, the spleen is enlarged, and there is a roseola rash on the abdomen. The Widal agglutination test to O-antigen is positive with titer of 1:200. What microorganism is the most likely cause of the patient’s condition in this case?
- A. Mycobacterium tuberculosis
- B. Leptospira interrogans
- C. Vibrio cholerae
- D. Enterohemorrhagic E. coli
- E. Salmonella typhi
Hint
Combine stepwise rising fever, a coated tongue, a roseolous abdominal rash, splenomegaly and an agglutination titre to somatic antigen: which enteric fever pathogen fits?
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