A 62-year-old man is ventilated on ICU. The bedside nurse performs endotracheal suctioning using a closed-circuit (in-line) suction catheter. What is the main advantage of closed-circuit suctioning over open suctioning in ventilated ICU patients?AClosed suctioning clears secretions more effectivelyBClosed suctioning maintains PEEP and FiO2 during the suction event, reducing derecruitment and desaturation; it also reduces exposure to aerosolised secretions for healthcare workersCClosed suctioning is cheaperDClosed suctioning requires less nursing timeEThere is no difference between open and closed suctioningCheck my answer