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

Nasogastric

Relating to or involving the nose and the stomach, especially referring to a tube passed through the nose to the stomach for feeding or drainage.

Enteric Tube

A tube used to deliver food, fluids, and medications directly into the stomach or small intestine.

Nasointestinal Aspirate

A sample of fluid removed from the upper part of the small intestine through a tube inserted via the nose.