If Pure Water and a Solution Containing a Nonpenetrating Solute

question 55

Multiple Choice

If pure water and a solution containing a nonpenetrating solute are separated by a membrane that is permeable only to water,what would occur?

• A)Water will diffuse by osmosis until the water concentrations in the two compartments become equal.
• B)Water will diffuse by osmosis until all of the the water is on the same side as the solute.
• C)Water will diffuse by osmosis toward the side with the solute,until stopped by opposing hydrostatic pressure.
• D)No movement will occur between the compartments.
• E)Water will diffuse by osmosis away from the side with the solute,until stopped by hydrostatic pressure.

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Definitions:

Macula Densa

A group of specialized cells located in the distal convoluted tubule of the kidney, involved in regulating blood pressure and the filtration rate of the kidneys.

NaCl Concentrations

The measure of the amount of sodium chloride, common table salt, dissolved in a given volume of solution, affecting cellular processes and fluid balance.

Mesangial Cells

Specialized cells in the kidneys that help regulate blood flow through the glomeruli and support glomerular capillaries.

Renal Fascia

A layer of connective tissue that encloses the kidneys and adrenal glands, providing protective support.