A Home Care Patient on Transtracheal O₂ Therapy at 0

A home care patient on transtracheal O₂ therapy at 0.5 L/min frantically calls you, unable to reinsert the catheter after cleaning. What would you recommend?

A) Use a clean, pointed instrument to guide catheter reinsertion.
B) Put on a nasal cannula at 1 L/min and call the physician.
C) Insert the catheter into the nasal cavity about 3 to 4 inches.
D) Insert the catheter into the oral cavity.