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Calculate the change in osmolarity and the volume of extracellular and intracellular fluid when a hypertonic or hypotonic solution is added
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- Define the term s osmolarity?If a person was severely dehydrated and the osmolarity of their blood and tissue fluids was at 500 mOsm/L while their intracellular osmolarity was 300 mOsm/L; explain what would happen via osmosis.With regard to fluid movement between body fluid compartments, what effect does oral/parenteral administration of a hypotonic NaCl solution (0.45% NaCl, 145 mOsm/kg) have on the volume & osmolality of the extracellular fluid compartment (ECF), and on the volume & osmolality of the intracellular fluid compartment (ICF)? Clearly explain your reasoning
- Renal tubule cells in the kidney medulla are constantly exposed to high extracellular osmolarity. How do they maintain normal cell volume?If two solutions with different osmolarities are separated by awater-permeable membrane, why will a change occur in thevolumes of the two compartment?Describe the importance of osmolarity in mammalian cells
- A cell with intracellular osmolarity of 280 mOsm/L is placed into three different containers varying in osmolarity. Which solution from the list would cause the cell to lose water and shrink? 280 mOsm/L 240 mOsm/L 340 mOsm/L NONE of the aboveDefine the term Extracellular solute concentration?Compare and contrast how water volume and osmolality are regulated.