The Nurse Explains to the Patient on a Mechanical Ventilator

The nurse explains to the patient on a mechanical ventilator that it is set on assist-control mode,which means that the machine will: (Select all that apply.)

A) deliver a set tidal volume.
B) deliver a set number of breaths if the patient's rate falls.
C) automatically cuts off if the patient is breathing independently.
D) deliver more oxygen at the end of an inspiration.
E) help to correct respiratory acidosis.