9 Questions
What initiates the oral (voluntary) phase of swallowing?
Squeezing and rolling back of food by the tongue
During which phase of swallowing does the soft palate close the nasal cavity?
Pharyngeal phase
What prevents the passage of food to the respiratory tract during swallowing?
Approximation of vocal cords
Which phase of swallowing involves peristalsis and propulsion of food bolus towards the upper part of the esophagus?
Pharyngeal phase
What occurs during swallowing apnea?
Inhibition of the respiratory center
If primary peristalsis fails to clear all food from the esophagus, what follows?
'Second wave' peristalsis
'Swallowing apnea' is a result of:
'Inhibition' by swallowing center
What triggers the elevation and closure of the larynx during swallowing?
'Involuntary' pharyngeal phase
In which phase does the larynx close against the epiglottis to prevent food entering the respiratory tract?
'Pharyngeal' phase
Learn about the process of swallowing food from the mouth to the stomach through the pharynx and esophagus, divided into three phases: Oral (voluntary), Pharyngeal, and Esophageal. Understand the voluntary and involuntary actions involved in each phase.
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