Studying to be a nurse? Then here is a nursing how-to video that teaches you how to do a sputum specimen collection vie a mucus trap. Every nurse should know the basics of this technique, follow along and see how easy it is to collect a sputum specimen for a tracheal evaluation. These medical tips are sure to help you pass your nursing exam with flying colors. Our host describes sputum collection and lavage and the proper technique for obtaining sputum per trachea via an inline catheter.