What is an appropriate measure for preparing a plastic nasogastric tube before insertion?

Immersing a plastic nasogastric tube in warm water is an appropriate measure before insertion because it makes the tube more pliable and flexible. When the tube is warmed, it can conform more easily to the anatomical contours of the nasal passages and esophagus, which facilitates a smoother insertion process and reduces discomfort for the patient.

Using warm water helps to soften the plastic material, which can prevent kinking or obstruction during insertion. This method is commonly recommended as it enhances both the efficacy of the procedure and patient comfort.