CRNE Exam Prep

Category - Changes in Health

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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?

Negative
Positive
Indeterminate
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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