CRNE Exam Prep

Category - Changes in Health

A client had a purified protein derivative test 48 hours ago, after his roommate tested positive for tuberculosis. On assessment, a 3-millimeter reddened and raised area is noted by the nurse. The nurse determines that the finding means which of the following?
  1. Negative
  2. Positive
  3. Indeterminate
  4. Further testing is necessary
Explanation
Answer: B - A 3-mm raised and reddened area indicates the client is positive for tuberculosis. The test would be classified as negative if there had been no recent contact with an infected individual.
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