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<p>the most important medications needed in a basic <a href="page.php?w=health_system">health system</a>.</p>

<p><big>Function</big></p>
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* To increase <a href="page.php?w=pulmonary_compliance">pulmonary compliance</a>.<br/>
* To prevent <a href="page.php?w=atelectasis">atelectasis</a> (collapse of the alveoli or atriums) at the end of expiration.<br/>
* To facilitate recruitment of collapsed airways.</p>

<p>Alveoli can be compared to gas in water, as the alveoli are wet and surround a central air space. Pulmonary surfactant significantly reduces the</p><p>
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