The Nurse Is Evaluating a Patient to Determine Whether the Endotracheal

The nurse is evaluating a patient to determine whether the endotracheal tube cuff is properly inflated.Which findings indicate proper inflation?

A) Exhaled tidal volume is 50 mL less than the tidal volume set on the ventilator.
B) Air leak is heard with a stethoscope only at the end of inspiration.
C) The patient is able to vocalize.
D) Gastric contents are noted in airway secretions.