You are assessing your ventilated patient in the ICU. Their…

You are assessing your ventilated patient in the ICU. Their vitals are; HR 90, BP 126/80, SaO2 100%, RR 16 on the vent, CO2 40. There is minimal rise and fall of the chest. Vent settings are; AC mode, TV 400ml, RR 16, FiO2 50%. What vent setting changes are indicated? Choose ALL that apply.