Which Evaluation Indicates That Placement of a Nasogastric or Enteric

Multiple Choice

Which evaluation indicates that placement of a nasogastric or enteric tube is correct?

A) Nasointestinal aspirate with a pH of less than 6
B) Pleural fluid pH of less than 6
C) Gastric aspirate with a pH of 5 or less after patient fasting
D) Gastric aspirate with a pH of 4 and continuous tube feedings