Human Biology Custom Edition
11th Edition
ISBN: 9781337631532
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 11, Problem 4RQ
Define peristalsis, and list the regions of the GI tract where it occurs. Be sure to mention segmentation in your answer.
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The lining of the GI tract is called the mucosa.
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During your lifetime you may have known individuals (or maybe even yourself) who had various digestive disorders or difficulties such as diverticulitis, ulcers, diarrhea, irritable bowel syndrome, Crohn’s disease, Celiac sprue (gluten intolerance), constipation, choking, or a related disorder. Select one of these digestive issues and discuss the following:
Provide a brief description of the digestive issue you will be discussing
Describe the experience of the individual – discuss their symptoms, any dietary changes that were required, and the outcome and/or prognosis
Describe the related scientific treatments and nutritional treatments of this digestive disorder.
Digestion of the macronutrients begins in different parts of the GI tract. Apply what you have learned about the digestive process by showing what the digestive fate will look like for a chicken-mayonnaise toasted sandwich, made with whole wheat seed bread. Remember to discuss the functions and/or type of digestion per organ and the secretions per organ relevant to the digestion of the macronutrients. It is important that your answer is provided in the correct order in which these digestive processes would take place.
Chapter 11 Solutions
Human Biology Custom Edition
Ch. 11 - What are the main functions of the stomach? What...Ch. 11 - Explain the differences between the digestion...Ch. 11 - List the organs and accessory organs of the...Ch. 11 - Define peristalsis, and list the regions of the GI...Ch. 11 - Using the black lines shown in Figure 11.27, name...Ch. 11 - Different regions of the digestive system...Ch. 11 - Maintaining normal body weight requires that...Ch. 11 - The preferred energy sources for the body are...Ch. 11 - Prob. 4SQCh. 11 - Digestion is completed and products are absorbed...
Ch. 11 - After triglycerides are absorbed, they leave the...Ch. 11 - Excess carbohydrates and proteins are stored as...Ch. 11 - Prob. 8SQCh. 11 - Basal metabolic rate is a measure of ______. a....Ch. 11 - Match the digestive system parts and functions.Ch. 11 - Prob. 1CTCh. 11 - Some nutritionists claim that the secret to long...Ch. 11 - As a person ages, the number of body cells...Ch. 11 - Along the lines of question 3, formulate a healthy...Ch. 11 - The food label in Figure 11.28 lists the nutrients...
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- The lack of adequate saliva due to the absence of or diminished secretions by the salivary glands is known as zerostomia. _____________________arrow_forwardThe chronic degenerative disease of the liver characterized by scarring is known as serosis. ________________________________arrow_forwardList the organs and accessory organs of the digestive system. On a separate piece of paper, list the main functions of each organ.arrow_forward
- An inflammation of the stomach and small intestine is known as ___________________. gastralgia gastroenteritis gastritis gastrosisarrow_forwardBleeding can occur from any part of the GI tract. Describe a possible cause of bleeding in the small intestine and a different cause in the colon. Are there differences in symptoms or presentation in your two examplesarrow_forwardPlace these structures of the Digestive tract in proper order. colon of the large intestine esophagus ileum of the small intestine jejunum of the small intestine stomach rectum of the large intestine duodenum of the small intestine pharynxarrow_forward
- You have just eaten a sausage and egg sandwich for breakfast. Explain the chemical changes that occur in the sandwich as it passes through the parts of the GI tract. Be sure to name all enzymes or secretions involved and their source.arrow_forwardIs the stomach cell part of the upper or lower GI tract? What is its primary function in digestion and what occurs in this section of the GI tract? Be specific. 3.arrow_forwardThroughout its length, the alimentary tract is composed of the same four tissue layers; the details of their structural arrangements vary to fit their specific functions. Starting from the lumen and moving outwards, the first three layers are the mucosa, submucosa, and muscularis. The final layer is either the serosa or the adventitia, depending on the portion of the GI tract you are looking at. The mucosa is referred to as a mucous membrane, because mucus production is a characteristic feature of gut epithelium. The membrane consists of the epithelium, lamina propria, and muscularis mucosa (not to be confused with the muscularis externa, described later). Epithelium—This layer is in direct contact with ingested food. In the mouth, pharynx, esophagus, and anal canal, the epithelium is primarily a non-keratinized, stratified squamous epithelium. In the stomach and intestines, it is a simple columnar epithelium. Interspersed among the epithelial cells are mucus-secreting goblet cells.…arrow_forward
- Which of the following is true for disorders of the GI tract? heartburn is a burning, often painful, sensation in the chest (behind the breastbone) if heartburn occurs more than twice per week, it may be diagnosed as gastroesophageal reflux disease (GERD) gastroesophageal reflux (GER) occurs when acidic chyme in the stomach escapes back into the esophagus and even into the mouth peptic ulcers are sores on the tissues lining the esophagus, stomach, or duodenum (the first section of the small intestine all of thesearrow_forwardThankyou for answering the sequence of events in fat digestion. Label it from 1-8arrow_forwardFrom the esophagus to the anal canal, the walls of the digestive tract are made of the same four basic layers. Arrange them in order from the lumen outward. mucosa, submucosa, muscularis externa, serosa mucosa, submucosa, serosa, muscularis externa muscularis externa, serosa, mucosa, submucosa serosa, mucosa, submucosa, muscularis externaarrow_forward
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