chapter 32 gastroinstestinal system

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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?

Cholecystokinin Signup and view all the answers

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

Small intestine Signup and view all the answers

What is the function of hepatic portal circulation?

Regulate nutrients or remove toxic substances from the blood Signup and view all the answers

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

Gallbladder Signup and view all the answers

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

Fatty foods entering the duodenum Signup and view all the answers

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

Absorption of water and electrolytes Signup and view all the answers

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

Duodenum, Jejunum, Ileum Signup and view all the answers

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

Prevents backflow into the esophagus Signup and view all the answers

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

Reservoir for food where digestion begins Signup and view all the answers

Which enzyme is used to visualize the colon?

Barium Signup and view all the answers

What is the main function of the ascending colon?

Temporarily stores and eliminates indigestible material Signup and view all the answers

What does decreased saliva production lead to?

Decreased appetite Signup and view all the answers

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

25-29.9 Signup and view all the answers

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

Constipation Signup and view all the answers

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

Decreased metabolism of drugs Signup and view all the answers

What is the main function of the transverse colon?

Absorbs significant amounts of water Signup and view all the answers

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

Active bleeding Signup and view all the answers

What is the purpose of a barium swallow?

To examine the esophagus, stomach, and duodenum Signup and view all the answers

What does a decreased amylase level indicate?

Pancreatic dysfunction Signup and view all the answers

What is the purpose of endoscopy?