Question

46 of 50
the nurse is assisting in providing care for a client with a nasogastric tube. which observation is most appropriate in determining that the tube is correctly placed?
answer options
1 the aspirate is dark green.
2 the ph of the aspirate is 5.
3 the aspirate is negative for guaiac.
4 the tube length was correctly measured before insertion.
rationale, strategy, reference, tip

Explanation:

Gastric aspirate typically has a low pH due to stomach acid. A pH of 5 or lower is a reliable indicator of correct nasogastric tube placement. Dark - green aspirate can be from other sources, negative guaiac test is for blood in stool and not relevant here, and correct pre - insertion measurement doesn't confirm placement.

Answer:

1. The pH of the aspirate is 5.