In Assist/Control (A/C) mode, how are breaths delivered and triggered?

• A. The ventilator provides spontaneous breaths only with no mandatory breaths.
• B. The ventilator delivers a minimum number of mandatory breaths per minute; the patient can trigger assisted breaths by decreasing pressure or flow.
• C. Breaths are always volume-targeted with no mode variety.
• D. The patient cannot trigger breaths; all breaths are mandatory.

Answer: (B)