A Salem sump nasogastric tube has two lumens.The first lumen is for suction and drainage.What is the purpose of the second lumen?

Name: A Salem sump nasogastric tube has two lumens.The first lumen is for suction and drainage.What is the purpose of the second lumen?
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Question

Quizplus · Accepted Answer

The Salem sump has one lumen that is used for suction and drainage and another that allows air to enter the patient's stomach and prevents the tube from adhering to the gastric wall and damaging the mucosa.

A Salem Sump Nasogastric Tube Has Two Lumens