Nasogastric Tube Questions and

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Nasogastric Tube Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

What is the best way to prevent skin breakdown at the nares during prolonged NG tube use?

• Apply heat compresses
• Avoid touching the tube

✔✔ C. Reposition and retape the tube regularly

• Use alcohol wipes on the skin

Why should the nurse measure from the nose to ear to xiphoid process before NG tube insertion?

• To ensure comfort
• To prevent infection

✔✔ C. To determine appropriate insertion length

• To reduce coughing

What is the most appropriate nursing action if the client coughs and turns cyanotic during NG insertion?

• Encourage deeper swallowing 1 / 2

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• Pause and wait

✔✔ C. Withdraw the tube and assess airway

• Have the client lean forward

What is the primary purpose of using a double-lumen (Salem sump) NG tube?

• For medication administration
• For enteral nutrition only

✔✔ C. For gastric decompression with air venting

• To prevent reflux of stomach contents

What pH value confirms correct gastric placement of an NG tube?

A. 7.0

✔✔ B. 1.0 to 4.0

• 5.5 to 6.0

D. 8.0

Which action is most important before administering any substance via NG tube?

• Warm the formula
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