Barron's CCRN: mechanical ventilation questions with correct answers

endotracheal tube placement: what are the 3 Confirmation of tube placement is done immediately after intubation? CORRECT ANSWER-Chest radiograph should be 3-5 cm above the carina. Waveform capnography is most accurate. End-tidal CO2 detector. Auscultation. endotracheal tube placement: cuff inflated to what pressure? CORRECT ANSWER-20cm H20 pressure. Endotracheal tube placement: assess and document at what level? CORRECT ANSWER-Assess and document at the level of the teeth or gum line for ongoing assessment of correct placement. What happens if the tube migrates down? CORRECT ANSWER-Often migrates to right lung due to the anatomy of the main-stem bronchi. -right bronchi is shorter/wider, with less of an angle, than the left. When to get ABGs after intubation? CORRECT ANSWER-20-30 minutes to assess acid-base balance. How is an endotracheal tube similar to a straw? CORRECT ANSWER-Narrow and increases airway resistance. Assist-control (AC) mode: set tidal volu