A nurse has an order to begin enteral feedings for a client in whom a nasogastric tube has just been inserted. Before initiating the diet order,
the nurse would do which of the following as the most definitive method of confirming correct tube placement in the stomach?
1. compare pH of aspirate to gastric pH
2. check x-ray results
3. check the appearance of gastric aspirate
4. insert air through the tube
ANS: 2
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