A cell is placed in a hypertonic medium triggering its regulatory volume control mechanism. Which of the following statements best describes the main ion movement responsible for the regulatory volume control in this situation?     Efflux of K+ from the cytosol.     Efflux of Na+ from the cytosol.     Influx of Na+ into the cytosol.     Influx of K+ into the cytosol.

Human Physiology: From Cells to Systems (MindTap Course List)
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ISBN:9781285866932
Author:Lauralee Sherwood
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Chapter3: The Plasma Membrane And Membrane Potential
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A cell is placed in a hypertonic medium triggering its regulatory volume control mechanism. Which of the following statements best describes the main ion movement responsible for the regulatory volume control in this situation?

   

Efflux of K+ from the cytosol.

   

Efflux of Na+ from the cytosol.

   

Influx of Na+ into the cytosol.

   

Influx of K+ into the cytosol.

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