This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
All of the following are true regarding tracheostomy tube except: September 2008 
Select and explain. 
A. Double lumen tube, B. Made of titanium silver alloy, C. Cuffed tube prevents aspiration of pharyngeal secretions, D. Ideally should be changed every 3rd day
D: Ideally should be changed every 3rd day
Answer: D: Ideally should be changed every 3rd day 
Explanation: Ans. D: Ideally should be changed every 3rd day Care of the tracheostomy tube: Inner cannula should be removed and cleaned as and when indicated for the first 3 days. Outer tube, unless blocked or displaced, should not be removed for 3-4 days to allow a track to be formed when tube placement will be easy.