Podcast
Questions and Answers
What initiates the oral (voluntary) phase of swallowing?
What initiates the oral (voluntary) phase of swallowing?
- Closing of the nasal cavity
- Closure of the larynx
- Elevation of the soft palate
- Squeezing and rolling back of food by the tongue (correct)
During which phase of swallowing does the soft palate close the nasal cavity?
During which phase of swallowing does the soft palate close the nasal cavity?
- Esophageal phase
- Post-esophageal phase
- Pharyngeal phase (correct)
- Oral (voluntary) phase
What prevents the passage of food to the respiratory tract during swallowing?
What prevents the passage of food to the respiratory tract during swallowing?
- Contraction of pharyngeal muscles
- Elevation of the larynx
- Approximation of vocal cords (correct)
- Relaxation of the upper esophageal sphincter
Which phase of swallowing involves peristalsis and propulsion of food bolus towards the upper part of the esophagus?
Which phase of swallowing involves peristalsis and propulsion of food bolus towards the upper part of the esophagus?
What occurs during swallowing apnea?
What occurs during swallowing apnea?
If primary peristalsis fails to clear all food from the esophagus, what follows?
If primary peristalsis fails to clear all food from the esophagus, what follows?
'Swallowing apnea' is a result of:
'Swallowing apnea' is a result of:
What triggers the elevation and closure of the larynx during swallowing?
What triggers the elevation and closure of the larynx during swallowing?
In which phase does the larynx close against the epiglottis to prevent food entering the respiratory tract?
In which phase does the larynx close against the epiglottis to prevent food entering the respiratory tract?
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