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Involuntary Hypohydration in Man and Animals

John Edward Greenleaf

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Description:"Involuntary hypohydration was defined as a depression in the rate of water intake following water loss in animals and in man. While most animals rehydrate fairly rapidly, the rat and man do not. Concerning the speed of voluntary rehydration, the rat is about midway between man and the dog, cat, rabbit, burro, and camel. The pertinent question to be answered is why man takes up to 72 hr or longer to regain a water deficit of 6 percent of his body weight when the other animals can do it in 1 hr or less. In man, the water intake is not proportional to the total volume of body water. Regardless of the level of the water deficit and whether the water was lost by deprivation or by sweating, man regains the lost water at a constant rate (ref. 42). There is no gulping of water, as in animals, until the deficit is regained. Instead, man will drink rapidly about 1 l. of water and then stop. If water is forced beyond this point, vomiting will usually ensue. Prolonged forcing of salt-free water may cause water intoxication which the vomiting would help to prevent. There are many factors that influence drinking such as: the volume of body water, osmotic concentration, gastrointestinal absorption rates and stretch receptors, food and salt ingestion, starvation, environmental temperature and humidity, physical exercise, and psychological and social parameters. It is clear that attempts to explain drinking on the basis of a single variable, that is, the osmotic concentration or the concept of volume of fluid, have not proved too successful because both factors are operating simultaneously and are mutually interdependent. The task now is to uncover the relationships between the many variables applicable to water metabolism and to determine how they relate to the time factors in drinking."--Summary.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Involuntary Hypohydration in Man and Animals. To get started finding Involuntary Hypohydration in Man and Animals, you are right to find our website which has a comprehensive collection of manuals listed.
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Pages: 44

Format: PDF, EPUB & Kindle Edition

Publisher: —

Release: 1966

ISBN: Z3VGAAAAYAAJ

Description: "Involuntary hypohydration was defined as a depression in the rate of water intake following water loss in animals and in man. While most animals rehydrate fairly rapidly, the rat and man do not. Concerning the speed of voluntary rehydration, the rat is about midway between man and the dog, cat, rabbit, burro, and camel. The pertinent question to be answered is why man takes up to 72 hr or longer to regain a water deficit of 6 percent of his body weight when the other animals can do it in 1 hr or less. In man, the water intake is not proportional to the total volume of body water. Regardless of the level of the water deficit and whether the water was lost by deprivation or by sweating, man regains the lost water at a constant rate (ref. 42). There is no gulping of water, as in animals, until the deficit is regained. Instead, man will drink rapidly about 1 l. of water and then stop. If water is forced beyond this point, vomiting will usually ensue. Prolonged forcing of salt-free water may cause water intoxication which the vomiting would help to prevent. There are many factors that influence drinking such as: the volume of body water, osmotic concentration, gastrointestinal absorption rates and stretch receptors, food and salt ingestion, starvation, environmental temperature and humidity, physical exercise, and psychological and social parameters. It is clear that attempts to explain drinking on the basis of a single variable, that is, the osmotic concentration or the concept of volume of fluid, have not proved too successful because both factors are operating simultaneously and are mutually interdependent. The task now is to uncover the relationships between the many variables applicable to water metabolism and to determine how they relate to the time factors in drinking."--Summary.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Involuntary Hypohydration in Man and Animals. To get started finding Involuntary Hypohydration in Man and Animals, you are right to find our website which has a comprehensive collection of manuals listed.
Our library is the biggest of these that have literally hundreds of thousands of different products represented.

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Involuntary Hypohydration in Man and Animals

Involuntary Hypohydration in Man and Animals

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