Examlex
Azospirillum lipoferum is a terrestrial nitrogen- fixing bacterium that often forms a(n)________relationship with ________.
Dyspnea
Difficult or labored breathing.
Cheyne-Stokes
A breathing pattern characterized by alternating periods of apnea and hyperventilation.
Apnea
The absence of breathing.
Rales
An unusual sound heard in the bronchi on examination of respirations.
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