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Questions and Answers
What percentage of a 70-kg man's body weight does Total Body Water (TBW) contribute?
What percentage of a 70-kg man's body weight does Total Body Water (TBW) contribute?
Which compartment contains two thirds of the water in the body?
Which compartment contains two thirds of the water in the body?
What does the oxidation of fats yield in terms of ml/100 gm?
What does the oxidation of fats yield in terms of ml/100 gm?
Which process is responsible for supplying water to the body through the combustion of fats, proteins, and carbohydrates?
Which process is responsible for supplying water to the body through the combustion of fats, proteins, and carbohydrates?
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Which fluid compartment is divided into a vascular compartment (plasma) and an interstitial fluid compartment?
Which fluid compartment is divided into a vascular compartment (plasma) and an interstitial fluid compartment?
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What is the most important property of water mentioned in the text?
What is the most important property of water mentioned in the text?
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Which condition involves an increase in extracellular fluid volume along with normal plasma osmolarity?
Which condition involves an increase in extracellular fluid volume along with normal plasma osmolarity?
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What causes dehydration according to the text?
What causes dehydration according to the text?
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Which hormone is involved in regulating fluid levels in the body according to the text?
Which hormone is involved in regulating fluid levels in the body according to the text?
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What role does water play in preventing friction in the body according to the text?
What role does water play in preventing friction in the body according to the text?
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Study Notes
Body Water Distribution
- Total Body Water (TBW) comprises approximately 60% of a 70-kg man's body weight.
- The intracellular fluid compartment contains two-thirds of the water in the body.
Metabolic Water Production
- Oxidation of fats yields about 1.07 ml of water per 100 grams.
- Metabolism is the process that supplies water through the combustion of fats, proteins, and carbohydrates.
Fluid Compartments
- The extracellular fluid compartment is divided into the vascular compartment (plasma) and the interstitial fluid compartment.
Properties and Functions of Water
- The most important property of water mentioned is its role as a solvent, facilitating biochemical reactions.
- Water helps prevent friction between body structures, providing lubrication in joints and organs.
Homeostasis and Regulation
- Hypervolemia is the condition involving an increase in extracellular fluid volume with normal plasma osmolarity.
- Dehydration can be caused by inadequate fluid intake, excessive loss through urine, sweating, or diarrhea.
- The hormone involved in regulating fluid levels in the body is antidiuretic hormone (ADH).
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Description
Test your knowledge on the importance of water as a body constituent, the mechanisms involved in maintaining total water balance, and the distribution of water among different compartments in the body.
