Your ICU patient is intubated and sedated. You come on shift…

Your ICU patient is intubated and sedated. You come on shift and find the following vitals; HR 82 SR, BP 126/70, RR 12 on the vent, CO2 48, SaO2 100% on 50% FiO2. Vent settings are as follows; RR 12, TV 500ml, FiO2 50%, mode AC. What changes to the vent will you make, if any? Choose ALL that appy.