RN NCLEX Practice Questions Related

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The sputum of a client remains positive for the tubercle bacillus even though the client has been taking Laniazid (isoniazid). The nurse recognizes that the client should have a negative sputum culture within:

  • A. 2 weeks
  • B. 6 weeks
  • C. 8 weeks
  • D. 12 weeks
Correct Answer: D

Rationale: With effective treatment, sputum cultures for tuberculosis typically become negative within 2-3 months (approximately 12 weeks), depending on the regimen and adherence.