What Is the Proper Size of a Suction Catheter to Be

question 6

Multiple Choice

What is the proper size of a suction catheter to be used through an endotracheal tube or tracheostomy tube?

• A) The inside diameter of the catheter should not exceed one-half of the inside diameter of the artificial airway
• B) The outside diameter of the catheter should not exceed one-third of the inside diameter of the artificial airway
• C) The outside diameter of the catheter should not exceed one-half of the inside diameter of the artificial airway
• D) A size 14-Fr suction catheter should be used for a 5-mm inside diameter of the artificial airway, otherwise a size 12-Fr catheter should be used.

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