chapter 32 gastroinstestinal system
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Questions and Answers

Where does peristalsis occur in the digestive system?

  • Large intestine
  • Small intestine
  • Stomach
  • Esophagus (correct)
  • Which hormone is released by the stomach mucosa to increase gastric juice secretion?

  • Leptin
  • Insulin
  • Gastrin (correct)
  • Glucagon
  • Where does the secretion of bile from the liver/gallbladder for disposal and enzymes from the pancreas to aid in digestion occur?

  • Ampulla of Vater (correct)
  • Pylorus
  • Jejunum
  • Ileum
  • Which hormone stimulates the gallbladder to contract and release bile into the duodenum?

    <p>Cholecystokinin</p> Signup and view all the answers

    Where does the majority of nutrient absorption take place in the digestive system?

    <p>Small intestine</p> Signup and view all the answers

    What is the function of hepatic portal circulation?

    <p>Regulate nutrients or remove toxic substances from the blood</p> Signup and view all the answers

    Where is bile stored and concentrated until it is needed by the small intestine?

    <p>Gallbladder</p> Signup and view all the answers

    What stimulates the release of bile from the gallbladder into the duodenum?

    <p>Fatty foods entering the duodenum</p> Signup and view all the answers

    What is the main function of the large intestine (colon) in the digestive system?

    <p>Absorption of water and electrolytes</p> Signup and view all the answers

    What are the three main sections of the small intestine in order of occurrence?

    <p>Duodenum, Jejunum, Ileum</p> Signup and view all the answers

    What is the function of the lower esophageal sphincter (LES) in the digestive system?

    <p>Prevents backflow into the esophagus</p> Signup and view all the answers

    What is the main function of the stomach in the digestive system?

    <p>Reservoir for food where digestion begins</p> Signup and view all the answers

    Which enzyme is used to visualize the colon?

    <p>Barium</p> Signup and view all the answers

    What is the main function of the ascending colon?

    <p>Temporarily stores and eliminates indigestible material</p> Signup and view all the answers

    What does decreased saliva production lead to?

    <p>Decreased appetite</p> Signup and view all the answers

    What is the BMI range for a person classified as 'overweight'?

    <p>25-29.9</p> Signup and view all the answers

    What does a decreased motility and decreased gastric/intestinal secretion lead to?

    <p>Constipation</p> Signup and view all the answers

    What does a decreased blood volume flow to the liver result in?

    <p>Decreased metabolism of drugs</p> Signup and view all the answers

    What is the main function of the transverse colon?

    <p>Absorbs significant amounts of water</p> Signup and view all the answers

    What does a decrease in RBC and H&H levels indicate?

    <p>Active bleeding</p> Signup and view all the answers

    What is the purpose of a barium swallow?

    <p>To examine the esophagus, stomach, and duodenum</p> Signup and view all the answers

    What does a decreased amylase level indicate?

    <p>Pancreatic dysfunction</p> Signup and view all the answers

    What is the purpose of endoscopy?

    <p>To examine the esophagus, stomach, and duodenum</p> Signup and view all the answers

    What is the main function of the descending colon?

    <p>Absorbs significant amounts of water</p> Signup and view all the answers

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