QuestionJune 11, 2025

A nurse is having a yearly employee tuberculin skin test. Which skin test results would indicate a positive result? An induration of 4 mm An induration of 12mm An induration of less than 1 mm An uneven erythemic area

A nurse is having a yearly employee tuberculin skin test. Which skin test results would indicate a positive result? An induration of 4 mm An induration of 12mm An induration of less than 1 mm An uneven erythemic area
A nurse is having a yearly employee tuberculin skin test. Which skin test results would indicate a positive result? An induration of 4 mm An induration of 12mm An induration of less than 1 mm An uneven erythemic area

Solution
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Answer

An induration of 12 mm Explanation 1. Identify the Criteria for a Positive Tuberculin Skin Test A positive tuberculin skin test is generally indicated by an induration of 10 mm or more in healthy individuals without risk factors. For healthcare workers, an induration of 10 mm or more is considered positive. 2. Compare Induration Sizes to Criteria Compare each given induration size to the criteria for a positive result (10 mm or more).

Explanation

1. Identify the Criteria for a Positive Tuberculin Skin Test<br /> A positive tuberculin skin test is generally indicated by an induration of 10 mm or more in healthy individuals without risk factors. For healthcare workers, an induration of 10 mm or more is considered positive.<br /><br />2. Compare Induration Sizes to Criteria<br /> Compare each given induration size to the criteria for a positive result (10 mm or more).
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