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Pathophysiology II: Gastrointestinal Function

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Pathophysiology II: Gastrointestinal Function

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Questions and Answers

Which organ is responsible for secreting saliva in the oral cavity?

Liver

Parotid gland (correct)

Pancreas

Gallbladder

What is the potential etiology of tracheoesophageal fistula (TEF) and esophageal atresia (EA)?

Maternal use of vasoconstrictive drugs (correct)

Environmental pollution

Bacterial infection

Genetic mutation

Which organ is responsible for secreting digestive juices to aid in the breakdown of carbohydrates?

Salivary glands (correct)

Pancreas

Gallbladder

Liver

What is the primary function of the esophagus?

Guiding food from the mouth to the stomach Signup and view all the answers

What is the main role of mastication in the oral cavity?

Initial breakdown of nutrients Signup and view all the answers

Which type of epithelium lines the esophagus?

Stratified squamous epithelium Signup and view all the answers

Where is the lower esophageal sphincter (LES) located?

At the bottom of the esophagus Signup and view all the answers

What is the function of the pyloric sphincter?

Controls gastric emptying into the duodenum Signup and view all the answers

What is the main function of chief cells in the stomach lining?

Produce pepsinogen, the inactive form of pepsin Signup and view all the answers

Where is the Meissner or submucosal plexus located?

Between the submucosa and circular muscle layer Signup and view all the answers