Which of the following is/are acceptable for delivering a dr…

Which of the following is/are acceptable for delivering a drug via a pMDI or SVN to an intubated neonate receiving mechanical ventilation via hand-bagging?I. use the same FiO2 to power the SVN as the ventilatorII. bagging rate should be the same as the ventilator rateIII. inspiratory bagging pressure should be the same as the ventilator inspiratory pressureIV. the prescribed puffs of the pMDI should be administered every 10 seconds