Which investigation best confirms Pulmonary tuberculosis?
Answer and explanation
Correct answer: B. Sputum smear for acid-fast bacilli with culture
- Step 1: The test that best confirms Pulmonary tuberculosis is: sputum smear for acid-fast bacilli with culture.
Answer
Sputum smear for acid-fast bacilli with culture.
Why not the others: 'Serum angiotensin-converting enzyme': it is raised in sarcoidosis. 'Spirometry': it assesses airflow limitation. 'CT pulmonary angiography': it looks for emboli.
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