In the patient suspected of having tuberculosis, what finding on Gram stain would result in the initiation of antituberculosis medications?
a. Acid-fast bacilli
b. Gram-negative rods
c. Pleomorphic cocci
d. Presence of gram-negative cocci
ANS: A
In patients with suspected tuberculosis, the finding of acid-fact bacilli in stained specimens of sputum often prompts initiation of antituberculous therapy, because culture isolation of M. tu-berculosis may take up to 6 weeks.
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