Ch 24: Nutrition & the Digestive System

About This Chapter

These self-paced lessons on nutrition and the digestive system can help you with test preparation or a class project. You will review accessory organs of the digestive system, the purpose of calories, and more from a mobile-friendly platform.

Nutrition & the Digestive System - Chapter Summary

In this chapter on nutrition and the digestive system, self-paced lessons cover subjects like the pancreas, liver, and gallbladder. By studying the lessons, you will also learn why diarrhea and nausea occur. After completing the chapter, you should be poised to do the following:

  • Discuss macronutrients and recommendations for energy intake
  • Describe what happens to food in the upper gastrointestinal tract
  • Recall functions of the lower gastrointestinal tract
  • List chemicals produced in accessory organs of the digestive system
  • Explain how the autonomic nervous system controls digestion
  • List general motility disorders
  • Discuss the impact of eating too much or not enough protein

Each video is accompanied by a full written transcript, which can be used for a text-based learning option. If you find yourself struggling with a topic, you can submit questions to instructors. A short quiz is available for each lesson to test your understanding of nutrition and the digestive system.

8 Lessons in Chapter 24: Nutrition & the Digestive System
Test your knowledge with a 30-question chapter practice test
Calories: Definition, Purpose & Total Count

1. Calories: Definition, Purpose & Total Count

Learn about calories, their definition, purpose, and the total count of calories that a human body needs for energy balance. Review the Acceptable Macronutrient Distribution Ranges to achieve optimal nutrition through macronutrient goals.

Digestive System I: The Upper Gastrointestinal Tract

2. Digestive System I: The Upper Gastrointestinal Tract

The first stages of the digestive process take place throughout the upper gastrointestinal tract. Review the process of how food moves through the upper gastrointestinal tract, including the mouth, the throat, and the stomach.

Digestive System II: The Lower Gastrointestinal Tract

3. Digestive System II: The Lower Gastrointestinal Tract

The digestive process occurs primarily in the small intestine. This lesson details the function of each section of the lower gastrointestinal tract, including digestion and water absorption.

Accessory Organs of the Digestive System

4. Accessory Organs of the Digestive System

Accessory organs of the digestive system help with the chemical digestion of food and include the pancreas, liver, and gallbladder. Explore the accessory organs, chemical digestion, and the breakdown of fat.

Anatomy and Physiology of the Stomach and Autonomic Nervous System Controls

5. Anatomy and Physiology of the Stomach and Autonomic Nervous System Controls

Digestion begins in the mouth but continues in the stomach. Explore the anatomy and physiology of the stomach, like the pyloric sphincter, rugae, mucosa, and gastric pits and glands, and learn how the automatic nervous system controls them.

General Motility Disorders: Diarrhea and Constipation

6. General Motility Disorders: Diarrhea and Constipation

General motility disorders are characterized by digestive problems such as diarrhea or constipation. Gain an understanding of the different types of diarrhea such as osmotic and secretory, common causes of diarrhea and constipation, and potential treatments for each disorder.

Health Effects Associated with Proteins

7. Health Effects Associated with Proteins

Protein-energy malnutrition is a form of malnutrition brought on by an insufficient intake of protein. Learn more about the health effects associated with proteins, understand what PEM is and the risks of a high protein diet.

General Motility Disorders: Nausea and Vomiting

8. General Motility Disorders: Nausea and Vomiting

Nausea and vomiting can be the result of common issues like overeating or drinking, but can also be linked to more serious internal issues. Learn more about general gastric disorders, how they occur, and treatments.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken
More Exams
There are even more practice exams available in Nutrition & the Digestive System.

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