Homeostatic Mechanisms Related to Water, Electrolyte, and Acid-Base Balance

Question 1

Fluid %s that make up fluid compartments

Answer 1

Intracellular fluid - 65%

Extracellular fluid - 35%

Question 2

Fluid %s that make up extracellular fluid

Answer 2

Interstitial fluid - 25%
Blood Plasm - 8%
Other fluids that include cerebrospinal, synovial, peritoneal, pleural, vitreous, etc. - 2%

Question 3

How much water does the body produce per day?

Answer 3

200 mL

Question 4

Water Gain Per Day (average)

Answer 4

Metabolic water - 200 mL
Water from food - 700 mL
Drinking - 1600 mL

Question 5

Water Loss Per Day (average)

Answer 5

Urine - 1,500 mL
Loss in feces -  200 mL
Expired breath - 300 mL
Cutaneous Transpiration - 400 mL
Sweat to Room Temperature - 100 mL
          Total = 2,500 mL