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Water Homeostasis in the Human Body Quiz

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Water Homeostasis in the Human Body Quiz

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Questions and Answers

What is the primary function of homeostatic processes in the context of water balance?

To regulate body temperature

To produce hormones for bodily functions

To control the concentration of electrolytes

To ensure the distribution of water among various body compartments (correct)

How much of the Total Body Water (TBW) is found in the Intra Cellular Fluid (ICF) in a 70-kg man?

About 14L

About 42L

About 28L (correct)

About 56L

What systems are involved in the negative feedback loops that maintain water homeostasis?

Circulatory and respiratory systems

Digestive and urinary systems

Endocrine and autonomic nervous systems (correct)

Muscular and skeletal systems

What is the formula to calculate Total Body Water (TBW) based on body weight?

<p>TBW = 0.6 × (body weight)</p> Signup and view all the answers

How is the Extra Cellular Fluid (ECF) compartmentalized?

<p>Into plasma and interstitial fluid</p> Signup and view all the answers

Study Notes

Water Homeostasis

Omeostatic processes maintain total water balance within narrow limits and distribute water among vascular, interstitial, and intracellular compartments.

Body Water Distribution

In a 70-kg man, Total Body Water (TBW) is approximately 42L.
Two-thirds of the water is in the Intra Cellular Fluid (ICF).
One-third is in the Extra Cellular Fluid (ECF).
ICF and ECF are in osmotic equilibrium.

Extra Cellular Fluid (ECF) Compartments

ECF is divided into two compartments:
- A vascular compartment (plasma).
- An interstitial fluid compartment.

Calculating Body Water Compartments

Total Body Water (TBW) = 0.6 × (body weight).
Intra Cellular Fluid (ICF) = 0.4 × (body weight).
Extra Cellular Fluid (ECF) = 0.2 × (body weight).

Sources of Water Intake

Dietary liquids.
Solid foods.

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Description

Test your knowledge of water homeostasis in the human body with this quiz. Explore the processes that help maintain the balance of water intake and distribution within the body's compartments. Ideal for students of medical courses and those interested in understanding the chemistry of homeostasis.