Vander's Human Physiology
Vander's Human Physiology
15th Edition
ISBN: 9781259903885
Author: WIDMAIER, Eric P., Vander, Arthur J.
Publisher: Mcgraw-hill Education,
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Chapter 15, Problem 1PI
Summary Introduction

To explain: How does a cholera patient produces 12 liters of excess watery feces despite ingesting only 500 grams of solid food and 1.5 liters of water in a day.

Introduction: Cholera is an infectious disease caused by intake of food or water contaminated by a bacterium called Vibrio cholera. In cholera patients suffer severe watery diarrhea, dehydration, death if untreated.

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Explanation of Solution

A cholera patient suffers from severe diarrhea and can discharge up to 12 liter of watery feces in a day, in spite of ingesting much less amount of food and water.

The reason for this is that the fluid that is discharged from the body in cholera and other diarrheal diseases is not just contributed from unabsorbed ingested foods and fluids. The large volumes of watery feces is due to body fluid that exits from interstitial fluid and cellular plasma compartments into the intestinal tract across the intestinal wall due to dehydration. This contributes a large quantity of fluid that is lost as watery feces, and such high loss of fluid can be fatal if untreated. Therefore, patients of diarrheal diseases must be given large amounts of fluids either as oral or intravenous intake to help them survive.

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Chapter 15 Solutions

Vander's Human Physiology

Ch. 15 - Prob. 1RQCh. 15 - Prob. 2RQCh. 15 - Prob. 3RQCh. 15 - Prob. 4RQCh. 15 - Prob. 5RQCh. 15 - Name the four best-understood gastrointestinal...Ch. 15 - List the three general phases of gastrointestinal...Ch. 15 - Prob. 8RQCh. 15 - Describe the sequence of events that occur during...Ch. 15 - List the cephalic, gastric, and intestinal phase...Ch. 15 - Prob. 11RQCh. 15 - By what mechanism is pepsinogen converted to...Ch. 15 - Describe the factors that control gastric...Ch. 15 - What structures are responsible for the large...Ch. 15 - Prob. 15RQCh. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - Prob. 19RQCh. 15 - Prob. 20RQCh. 15 - What causes water to move from the blood to the...Ch. 15 - Prob. 22RQCh. 15 - Describe three ways in which proteins or their...Ch. 15 - Prob. 24RQCh. 15 - Prob. 25RQCh. 15 - Prob. 26RQCh. 15 - Prob. 27RQCh. 15 - Prob. 28RQCh. 15 - Prob. 29RQCh. 15 - Prob. 30RQCh. 15 - Describe the type of intestinal motility found...Ch. 15 - Prob. 32RQCh. 15 - Prob. 33RQCh. 15 - Prob. 34RQCh. 15 - Prob. 35RQCh. 15 - Prob. 36RQCh. 15 - Prob. 37RQCh. 15 - Prob. 38RQCh. 15 - Prob. 39RQCh. 15 - Contrast the factors that cause constipation with...Ch. 15 - Prob. 41RQCh. 15 - Where is the ileum located with respect to the...Ch. 15 - Prob. 2RRCh. 15 - Prob. 1RCCh. 15 - Prob. 2RCCh. 15 - Prob. 3RCCh. 15 - Prob. 4RCCh. 15 - Prob. 5RCCh. 15 - Prob. 6RCCh. 15 - Prob. 7RCCh. 15 - Prob. 8RCCh. 15 - Prob. 9RCCh. 15 - Prob. 10RCCh. 15 - Prob. 1AAECh. 15 - Whole milk or a fatty snack consumed before the...Ch. 15 - Can fat be digested and absorbed in the absence of...Ch. 15 - Prob. 4AAECh. 15 - Prob. 5AAECh. 15 - Prob. 1GPACh. 15 - Prob. 2GPACh. 15 - Prob. 3GPA
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