A nurse is administering a purified protein derivative (PPD) test to a client. Which statement concerning PPD testing is true?
a) A negative reaction always excludes the diagnosis of TB.
b) The PPD can be read within 12 hours after the injection.
c) A positive reaction indicates that the client has active tuberculosis (TB).
d) A positive reaction indicates that the client has been exposed to the disease.
Answer: d) A positive reaction indicates that the client has been exposed to the disease.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.