Code ____________________ is used for local anesthesia (not in conjunction with operative or surgical procedures)

An endotracheal tube is properly placed when the distal end lies in the:

A) esophagus. B) bronchus. C) trachea. D) lungs.

When the RSBI or f/VT ratio becomes greater than 100 breaths/min/L, it correlates with weaning failure.

Answer the following statement true (T) or false (F)