Podcast
Questions and Answers
What is the primary purpose of the mucous glands in the submucosa of the esophagus?
What is the primary purpose of the mucous glands in the submucosa of the esophagus?
- To aid in the digestion of proteins
- To protect the esophagus from acidic pH
- To regulate the entry of air into the stomach
- To provide lubrication for swallowing (correct)
What happens to salivary amylase when it reaches the stomach?
What happens to salivary amylase when it reaches the stomach?
- It becomes activated by the acidic pH
- It is not affected by the pH of the stomach
- It remains inactive due to the low pH
- It is deactivated by the acidic pH (correct)
What type of epithelium is found in the esophagus?
What type of epithelium is found in the esophagus?
- Stratified squamous epithelium (correct)
- Cuboidal epithelium
- Simple columnar epithelium
- Pseudostratified epithelium
What is the function of the upper esophageal sphincter?
What is the function of the upper esophageal sphincter?
What triggers the pharyngeal phase of swallowing?
What triggers the pharyngeal phase of swallowing?
What is the name of the condition where parts of the abdominal organs extend up through the hiatus into the thoracic cavity?
What is the name of the condition where parts of the abdominal organs extend up through the hiatus into the thoracic cavity?
What is the first step in the process of swallowing?
What is the first step in the process of swallowing?
What triggers the relaxation of the lower esophageal sphincter?
What triggers the relaxation of the lower esophageal sphincter?
What is the primary cause of gastroesophageal reflux disease (GERD)?
What is the primary cause of gastroesophageal reflux disease (GERD)?
What is the result of the improper relaxation of the lower esophageal sphincter?
What is the result of the improper relaxation of the lower esophageal sphincter?
What is the term for the circular band of muscle at the bottom of the esophagus?
What is the term for the circular band of muscle at the bottom of the esophagus?
What is the term for the phase of swallowing where the bolus is in the esophagus?
What is the term for the phase of swallowing where the bolus is in the esophagus?
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