In the oral preparatory phase, what happens to the nasal airway?

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Multiple Choice

In the oral preparatory phase, what happens to the nasal airway?

Explanation:
During the oral preparatory phase, the mouth works to form and position the bolus, while the airway remains open to allow nasal breathing. The lips stay closed to keep the bolus in the mouth, and the tongue and teeth grind the food, but breathing continues through the nose. Closing the nasal airway or stopping nasal breathing would disrupt ongoing respiration and isn’t how this stage is organized. Thus, the nasal airway opens and nasal breathing occurs.

During the oral preparatory phase, the mouth works to form and position the bolus, while the airway remains open to allow nasal breathing. The lips stay closed to keep the bolus in the mouth, and the tongue and teeth grind the food, but breathing continues through the nose. Closing the nasal airway or stopping nasal breathing would disrupt ongoing respiration and isn’t how this stage is organized. Thus, the nasal airway opens and nasal breathing occurs.

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