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Requires the placement of a bite block: Bite blocks are primarily needed for oral ET tubes to prevent the patient from occluding the tube with their teeth; they are not necessary for nasal intubation.

Is more likely to cause laryngeal trauma: Nasal intubation generally causes less laryngeal trauma than oral intubation because the tube bypasses the tongue and oropharynx; however, it may cause nasal or sinus injury instead.

Requires the placement of an additional airway to keep the trachea open: The ET tube itself maintains tracheal patency, and no additional airway adjunct is required once proper placement is confirmed.

Tell the patient that the tongue must be extruded while the tube is inserted: During intubation, the patient is typically sedated or unconscious, and the tongue should remain inside the mouth. Extruding the tongue would obstruct rather than aid insertion.

Position the patient supine with the head hanging over the edge of the bed to align the mouth and trachea: This hyperextension can obstruct the airway, make intubation more difficult, and risk spinal injury, especially if cervical trauma is suspected.

Inform the patient that while it will not be possible to talk during insertion of the tube, speech will be possible after it is correctly placed: Once the ET tube is in place, speech is impossible because the tube passes through the vocal cords, preventing phonation until it is removed.

Suction the tube to remove secretions: Suctioning is performed after confirming correct placement. Suctioning too early could dislodge a misplaced tube or worsen hypoxia if the tube is in the esophagus.

Place an end-tidal CO₂ detector on the ET tube: Although using an end-tidal CO₂ detector is an important step to confirm placement, initial bedside verification through chest assessment must be done first to rapidly identify gross misplacement before further validation.

Secure the tube to the face with adhesive tape: The tube should only be secured after confirmation of proper placement through auscultation, observation, and device verification to prevent fixing a tube that’s incorrectly positioned.

Infection: While maintaining cuff pressure may reduce the risk of aspiration, infection prevention primarily depends on aseptic technique, oral care, and minimizing intubation duration, not on cuff inflation technique.

Hypoxemia: The MOV technique helps ensure a proper seal for ventilation, but hypoxemia is more commonly related to inadequate oxygen delivery, dislodgement, or airway obstruction, not cuff volume.

Accidental extubation: Cuff inflation does not prevent tube displacement; secure fixation of the tube and proper patient positioning are the primary measures to prevent extubation.

Peripheral wheezes in all lobes: Wheezes indicate bronchospasm or airway narrowing, not secretions. Suctioning will not relieve wheezing; bronchodilator therapy is required instead.

Has not been suctioned for 2 hours: Suctioning is not time-based but assessment-based. Routine suctioning can cause mucosal injury, hypoxia, and arrhythmias if done unnecessarily.

A need for stimulation to cough and deep breathe: Suctioning should not be used as a method to stimulate coughing; instead, encourage or assist coughing through repositioning, chest physiotherapy, or incentive spirometry if the patient is able.