A 75-kg male patient is receiving mechanical ventilation in…

A 75-kg male patient is receiving mechanical ventilation in SIMV mode and has the following ABGs and vent settings: Vent Settings: VC/SIMV/ Vt 500 mL/RR 16/PEEP +5/ FiO2 35%, the patient is not breathing spontaneously at this time. ABGs: pH 7.29 PaCO2 59 PaO2 75 HCO3 26Which of the following should the RT recommend to correct the ABG at this time?