The Nurse Is Caring for a Patient on Mechanical Ventilation

The nurse is caring for a patient on mechanical ventilation.The nurse determines that the endotracheal tube is properly placed by which assessment?

A) Auscultating both lungs and watching the rise and fall of both sides of the chest
B) Monitoring and comparing the blood pressure in both arms
C) Observing and measuring inspiratory and expiratory rates
D) Checking the settings on the ventilator and the low-pressure and high-pressure alarm settings