A nasogastric tube is inserted in order for the client to receive intermittent tube feedings.An initial chest x-ray examination is done to confirm placement of the tube in the stomach.After the x-ray confirmation,the most reliable method of checking for tube placement is for the nurse to:

Question

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After the x-ray confirmation,the next best method involves testing the pH of the feeding tube aspirate and observing the appearance of the aspirate.A properly obtained pH of 0 to 4 is a good indication of gastric placement.Placing the end of the tube in water and observing for bubbling is not an accurate method of checking for tube placement.Auscultation is no longer considered a reliable method for verification of tube placement because a tube inadvertently placed in the lungs,pharynx,or esophagus can transmit a sound similar to that of air entering the stomach.Asking the client to speak as a method of checking for tube placement has a high degree of inaccuracy.There have been cases reported in which clients have been able to speak despite placement of feeding tubes in the lung.

A Nasogastric Tube Is Inserted in Order for the Client