ATI RN Pharmacology 2019 II | Nurselytic

Correct Answer: C

Rationale: The correct answer is C: The client has a negative sputum culture. This outcome indicates adherence to the TB medication regimen because a negative sputum culture signifies a reduction in the number of tuberculosis bacteria in the client's respiratory secretions, showing that the medications are effectively killing the bacteria.

A: The client testing negative for HIV is not directly related to medication adherence for TB treatment.
B: A positive purified protein derivative test indicates exposure to TB and not necessarily medication adherence.
D: The client's liver function test results being within the expected range is important to monitor potential medication side effects but does not confirm adherence.


Therefore, the negative sputum culture is the most indicative outcome of medication adherence in this scenario.

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