It Is Highly Suspected That a Newborn Has Aspirated Meconium

It is highly suspected that a newborn has aspirated meconium. What actions should be immediately undertaken?
1) Instill exogenous surfactant
2) PRN suctioning of the airways
3) Gentle oral suctioning
4) Elective intubation for the clearance of meconium stained fluid

A) 2, 3
B) 1, 4
C) 2, 3, 4
D) 1, 2, 3