+
Related Flashcards
Cards In This Set
| Front | Back |
|
What is the most indispensable nutrient?
|
Water
|
|
Our body is made up of __% ~ __% water.
|
50 ~ 75
|
|
What are fluids?
|
Substances composed of freely moving molecules.They have the ability to conform to the shape of the container.
|
|
About 2/3 of the fluid is within body cells and is called ______________ fluid. The remaining 1/3 of the fluid is called _______________ fluid.
|
Intracellular, extracellular.
|
|
What is the fluid portion of the blood that carry blood cells?
|
Plasma
|
|
The body fluid composition of tissue varies by 3 things. list them
|
1. Tissue type - lean tissue have higher fluid conc.2. Gender - Males have more lean tissue3. Age - lean tissue is lost with age as well as body fluid.
|
|
Recommendation for fluid is.. ?
|
1-1.5mL water / kcal of energy expanded
|
|
Why are alcoholic beverages, soft drinks, or caffeine drinks bad choices for water substitutes?
|
They act as diuretics (making you urinate more, loss of water)
|
|
List the componants of body fluids.
|
1. Water2. Electrolytes (mineral salts dissolved in water)
|
|
List four examples of electrolytes.
|
1. Sodium2. Potassium3. Chloride4. Phosphorus
|
|
Fluids have an overall neutral charge. Why is that?
|
This is because of the balance of electrolytes. Electrolytes carry charges.Sodium and potassium carry positive chargesChloride and phosphorus carry negative charges
|
|
In intracelluar fluid, ___ and ___ are the predominant electrolytes.
|
K+ and HPO4 2-
|
|
In extracellular fluid, ___ and ___ are the predominant electrolytes.
|
Na+ and Cl-
|
|
What makes water an excellent solvent?
|
It can dissolve many different substances.These include: ions, sugars, amino acids, vitamins, minerals.
|
|
What is the function of fluid?
|
To dissolve and transport substances.Helps regulated fluid balanceHelp nerves respond to simuliProtect and lubricate body tissuesMaintain body temp.
|
