An occupational health nurse is screening a new employee in a long-term care facility for tuberculosis (TB). The employee questions why purified protein derivative (PPD) testing is done twice. Which is the most appropriate response by the nurse?
A) Different medication is used in the second PPD.
B) The treatment for TB is 6 months of medication, and we want to make sure the first results of the first PPD were accurate.
C) The first PPD was not interpreted in the correct time frame of 48-72 hours.
D) There is an increased risk for a false-negative response for people who work in long-term care facilities. The two-step is recommended to accurately screen for TB.
Question 2
The nurse is caring for a client who is receiving multiple drugs for treatment of tuberculosis. The nurse teaches the client the rationale for the multiple-drug treatment and evaluates learning as effective when the client makes which statement?
A) Multiple drugs are necessary to develop immunity to tuberculosis.
B) Multiple drugs are necessary because I became infected from an immigrant.
C) Multiple drugs will be required as long as I am contagious.
D) Multiple drugs are necessary because of the risk of resistance.
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