The nurse caring for a client with tuberculosis knows that the primary reason for lack of success in the treatment of tuberculosis is:
1. the development of resistance.
2. underdosing by the provider.
3. client nonadherence.
4. medication errors by the nurse.
Correct Answer: 3
Rationale 1: Although this is true, it is not the primary reason for lack of success.
Rationale 2: Underdosing does not occur.
Rationale 3: Client nonadherence is the primary reason that treatment regimens fail.
Rationale 4: Although this can play a role, it is not the primary reason.
Global Rationale: A major concern with TB pharmacotherapy is ensuring that patients fully comply with the prescribed regimen. Nonadherence to pharmacotherapy is the most common cause of treatment failure in TB patients. Resistance is an issue, but is not the most common problem. Underdosing and medication errors should not occur if guidelines are followed.
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