Which of the following statements made by a student nurse indicates the need for further teaching about suctioning a patient with an endotracheal tube?

1. "Suctioning the patient requires sterile technique."
2. "I'll apply suction while rotating and withdrawing the suction catheter."
3. "I'll suction the mouth after I suction the endotracheal tube."
4. "I'll instill 5 mL of normal saline into the tube before hyperoxygenating the patient."

The statement suggesting that saline should be instilled into the tube before hyperoxygenating the patient indicates a need for further teaching. Other statements refer to correct procedure of maintaining sterile technique and following correct methods during suctioning.

Explanation:

In the given statements, the student nurse's statement, 'I'll instill 5 mL of normal saline into the tube before hyperoxygenating the patient' indicates the need for further teaching about suctioning a patient with an endotracheal tube. Instilling saline into an endotracheal tube before suctioning or oxygenation is not considered a universally accepted or recommended practice due to risks like hypoxemia or aspiration pneumonia.

Statements 1, 2, and 3 represent the correct procedures where maintaining sterile technique is mandatory, applying suction while rotating and withdrawing the suction catheter is the correct method, and suctioning the mouth after the endotracheal tube eliminates potential for re-intubation of aspirate.

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