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Adult Nurse Practitioner Exam Prep

Category - AANPCP Adult Nurse Practioner Practice Test

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A 55-year-old man who works in a long-term health facility comes to the office complaining of cough, afternoon fever, night sweats, and easy fatigability. Tuberculosis is the initial diagnosis. Which of the following diagnostic tests is the most definitive for tuberculosis?
  1. Chest x-ray
  2. Sputum culture
  3. Mantoux test
  4. Tuberculin test
Explanation
Answer - B - Sputum culture is the most definitive test for tuberculosis. Chest X-rays show the location and presence of lesions in the lungs. Mantoux and tuberculin tests for signs of exposure to Mycobacterium tuberculosis.
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