The Removable Inner Cannula Commonly Incorporated into Modern Tracheostomy Tubes

question 110

Multiple Choice

The removable inner cannula commonly incorporated into modern tracheostomy tubes serves which of the following purposes?
I.aid in routine tube cleaning and tracheostomy care
II.prevent the tube from slipping into the trachea
III.provide a patent airway should it become obstructed

• A)I and III
• B)II and III
• C)III only
• D)I, II, and III

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