The nurse is administering a purified protein derivative (PPD) test to a nursing student. Which of the following statements concerning PPD testing is true?
A) A positive reaction indicates that the client has active tuberculosis (TB) .
B) A positive reaction indicates that the client has been exposed to the disease.
C) A negative reaction always excludes the diagnosis of TB.
D) The PPD can be read within 12 to 24 hours after the injection.
Correct Answer:
Verified
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