PhysiologyLesson 1 of 4 in the course The Digestive Process

Digestive Function and Congenital Gastrointestinal Anomalies

5 flashcards · 5 quiz questions · 5 match pairs · 5 fill-in sentences · English

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Summary

Digestion transforms food into substances the body can absorb and use. This lesson follows food through the digestive tract and explains how accessory organs support the process.

Common end products of digestion include amino acids, simple carbohydrates, lipids, vitamins, and minerals. These nutrients, along with water, are released from food and transported to the bloodstream for use by the body.

All flashcards

What are the four steps of the digestive process?
Ingestion brings food and liquids into the body; digestion breaks food down; absorption takes digested substances into cells; and metabolism converts absorbed substances into energy and uses them to support body functions.
What is chyme?
Chyme is the mixture of gastric juices and digested food that moves from the stomach into the duodenum.
Which organs make up the upper GI system?
The mouth, esophagus, stomach, and duodenum make up the upper GI system.
How do the liver and gallbladder contribute to digestion?
The liver produces bile, which helps with fat digestion. The gallbladder stores bile and releases it into the duodenum when fatty foods enter.
What is one digestive role of the pancreas?
The pancreas releases digestive enzymes, such as amylase and lipase, that help break down food. It also produces insulin, which helps glucose enter cells.

Quiz questions

  1. What does stenosis describe in a congenital gastrointestinal anomaly?Answer: An abnormal narrowing that creates a partial blockage.
  2. What is a fistula in an anorectal anomaly?Answer: An abnormal connection between the rectum and another tract.
  3. What is malrotation of the intestine?Answer: Incorrect rotation of the intestine during fetal development.
  4. Why can volvulus threaten intestinal tissue?Answer: The twist can obstruct the intestine and restrict its blood supply.
  5. What distinguishes cystic biliary anomalies from non-cystic ones?Answer: Cystic anomalies involve saclike, fluid-filled structures.

Based on Nutrition for Nurses by Emerald Charity Bilbrew, Jody Vogelzang, Kelli Whittington (OpenStax), licensed CC BY 4.0. Adapted into a summary, flashcards and quizzes.

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