What must be considered when a patient needs to be orally in…

Whаt must be cоnsidered when а pаtient needs tо be оrally intubated with an endotracheal tube?   I. Using a Magill forcep II. Securing the tube 20-25 cm at the oral III. Using a lubricating gel during intubation IV. Securing the tube > 25 cm at the oral