The Nurse Working with a Student Nurse Is Providing Care

The nurse working with a student nurse is providing care for a patient requiring mechanical ventilation.The student nurse asks the meaning of assist control.Which response by the nurse is the most appropriate?

A) "Assist control is a means of delivering ventilation that delivers a preset volume and/or pressure each time the patient begins an inspiration."
B) "Assist control allows the patient to breathe independently,but supplies a breath if the patient does not begin an inhalation in a specified period of time."
C) "Assist control is used when weaning a patient from the ventilator because the patient must exercise the muscles of respiration in order to get a full breath."
D) "Assist control is often used when a patient is receiving a paralytic agent."