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Questions and Answers
What is the significance of rose spots in diagnosing typhoid?
What is the significance of rose spots in diagnosing typhoid?
- They are unrelated to typhoid fever
- They strongly suggest typhoid fever (correct)
- They indicate a different type of fever
- They are a common symptom in all fevers
When do the serum agglutinins against somatic and flagellar antigens usually begin to appear?
When do the serum agglutinins against somatic and flagellar antigens usually begin to appear?
- During the 2nd week (correct)
- During the 3rd week
- During the 1st week
- After 4 weeks
What does a high titre of antibody to O antigen (> 1:640) suggest?
What does a high titre of antibody to O antigen (> 1:640) suggest?
- Irrelevant in diagnosing typhoid fever
- Suggestive but not specific for typhoid fever (correct)
- Indicates a different type of fever
- Definitely indicates typhoid fever
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