Problem: An infant born at 28 weeks' gestation is intubated and receiving mechanical ventilatory support on the following settings: Mode PC-IMV PIP: 18 cm H2O PEEP: 4 cm H2O Mandatory rate: 40/minute FIO2: 0.45 The following data are available: Heart rate: 120 beats/minute SPO2: 92% Ausculatory findings: Scattered coarse rhonchi bilaterally Which of the following should the respiratory therapist do? Need Assignment Help? Group of answer choices Increase the FIO2 to 0.50. Recommend increasing the PIP. Perform endotracheal tube suctioning. Place the infant in the prone position.