NURSE 3280- FUNDAMENTALS EXAM 3 QUESTIONS
AND ANSWERS WITH VERIFIED SOLUTIONS |
LATEST UPDATE 2025
(Transporting) Function of water in the body. - ANSWER -Transporting nutrients
to cells and wastes from cells
-Transporting hormones, enzymes, blood platelets, red/white blood cells
(Facilitating) Function of water in the body, - ANSWER -Facilitating cellular
metabolism and proper cellular chemical functioning
-Facilitating digestion and promoting elimination
(Acting) Function of water in the body - ANSWER -Acting as a solvent for
electrolytes and nonelectrolytes
-Acting as a tissue lubricant
(Helping) Function of water in the body - ANSWER Helping maintain normal
body temp
Two Compartments of Fluid in the Body - ANSWER Intracellular fluid (ICF)
Extracellular fluid (ECF)
Intracellular fluid (ICF) - ANSWER fluid within cells;
2/3 of total body water
,Extracellular fluid (ECF) - ANSWER fluid outside the cells; includes intravascular
and interstitial fluids; 1/3 of total body water
Interstitial fluid - ANSWER fluid in tissue spaces between cells
Variations in Fluid Content - ANSWER Healthy person- Total body water is 50%
to 60% of body weight
Infant- More body fluid and ECF than adult
Women and obese people- Less body water
Solvents - ANSWER Liquid that hold a substance in solution (water)
Solutes - ANSWER Substance dissolved in a solution (electrolytes and
nonelectrolytes)
examples of nonelectrolytes - ANSWER Red blood cells, vitamins, minerals,
platelets
Electrolyte: Sodium - ANSWER -Controls and regulates volume of body fluids
-Water and sodium come in a pair
-Where one goes, the other one follows
-Strongly associated with neuro effects (ex: Stroke)
Electrolyte: Potassium - ANSWER Chief regulator of cellular enzyme activity
and water content
Electrolyte: Magnesium - ANSWER Metabolism of carbohydrates and proteins,
vital actions involving enzymes
Electrolyte: Chloride - ANSWER Maintains osmotic pressure in blood, produces
hydrochloric acid, closely associated with Sodium
Electrolyte: Bicarbonate (HCO3) - ANSWER Body's primary buffer system,
comes from kidney
Electrolyte: Phosphate - ANSWER Involved in important chemical reactions in
body, cell division, hereditary traits
Osmosis - ANSWER Water passes from an area of low solute concentration to
high concentration until equilibrium is established
Diffusion - ANSWER Tendency of solutes to move freely throughout a solvent
from an area of higher concentration to an area of lower concentration until
equilibrium is established
Active Transport - ANSWER Requires energy for the movement of substances
through the cell membrane from lesser solute concentration to higher solute
concentration
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