Microprocessors Can Benefit Mechanical Ventilation by Doing Which of the Following

Microprocessors can benefit mechanical ventilation by doing which of the following?
1) Equilibrate measured values with target values on a breath-by-breath basis.
2) Control ventilator alarms.
3) Archive the history of set and measured values.
4) Change clinician set parameters as needed.

A) 1 and 3 only
B) 1 and 4 only
C) 1, 2, and 3 only
D) 1, 3, and 4 only