Which of the following control modes of ventilation consists of pressure-limited mandatory breaths that can be automatically adjusted between breaths to achieve a preset tidal volume?

Question

a. Servo c. Adaptive
b. Optimal d. Auto-set-point

Answer 1

ANS: C
An example of an adaptive control type is pressure-regulated volume control, in which the man-datory breaths are pressure limited and can be adjusted between breaths to achieve a preset tidal volume chosen by the operator. In the servo-controlled mode, the ventilator output automatically follows a varying input by the patient. In the optimal control type, one ventilator set-point is au-tomatically adjusted to optimize another set-point according to some model of system behavior, and the output can be maximized or minimized dynamically. The auto-set-point control type al-lows the ventilator to select which operator-adjusted set-point to enforce at the moment.