Of the various types of specimens collected to diagnose respiratory infections, which one is acceptable for detection of anaerobic agents?

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Quizplus · Accepted Answer

Percutaneous transtracheal aspirates (TTA), obtained by inserting a small plastic catheter into the trachea via a needle previously inserted through the skin, reduces the likelihood that a specimen will be contaminated by upper respiratory tract flora. Anaerobes associated with aspiration pneumonia are better isolated from transtracheal aspirate specimens.

Of the Various Types of Specimens Collected to Diagnose Respiratory