Practice Quiz

CRNE Exam Prep

Category - Professionalism

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Which of the following would indicate a positive Mantoux test result?
  1. An area of redness around the injection site larger than 10mm indicates a positive test.
  2. An area of redness around the injection site larger than 15mm indicates a positive test.
  3. 10mm or more of in duration around the injection site indicates a positive test.
  4. 15mm or more of in duration around the injection site indicates a positive test.
Explanation
Answer: C - In Canada, the duration of 10mm or more around the injection site of a Mantoux sub-dermal injection indicates exposure to TB (Tuberculosis). Further tests, such as an x-ray, would be needed to confirm any presence of active disease.
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