Questions: QUESTION 6 Suppose a blood cell with 1.2 mg / dL sodium concentration is immersed in a solution containing 2.5 mg / dL of sodium. Select the correct statement. The cell is hypotonic compared to the solution. The cell will lose water and crenulate (shrivel up). The cell is hypotonic to the solution. The cell will take on water and lyse (burst). The cell is hypertonic to the solution. The cell will lose water and crenulate (shrivel). The cell is hypotonic compared to the solution. The cell will take on water and lyse (burst).

QUESTION 6 Suppose a blood cell with 1.2 mg / dL sodium concentration is immersed in a solution containing 2.5 mg / dL of sodium. Select the correct statement. The cell is hypotonic compared to the solution. The cell will lose water and crenulate (shrivel up). The cell is hypotonic to the solution. The cell will take on water and lyse (burst). The cell is hypertonic to the solution. The cell will lose water and crenulate (shrivel). The cell is hypotonic compared to the solution. The cell will take on water and lyse (burst).
Transcript text: QUESTION 6 Suppose a blood cell with $1.2 \mathrm{mg} / \mathrm{dL}$ sodium concentration is immersed in a solution containing 2.5 $\mathrm{mg} / \mathrm{dL}$ of sodium. Select the correct statement. The cell is hypotonic compared to the solution. The cell will lose water and crenulate (shrivel up). The cell is hypotonic to the solution. The cell will take on water and lyse (burst). The cell is hypertonic to the solution. The cell will lose water and crenulate (shrivel). The cell is hypotonic compared to the solution. The cell will take on water and lyse (burst).
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Solution

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Solution Steps

Step 1: Identify the Tonicity of the Cell and Solution
  • The blood cell has a sodium concentration of 1.2 mg/dL.
  • The solution has a sodium concentration of 2.5 mg/dL.
  • Since the solution has a higher sodium concentration than the cell, the solution is hypertonic compared to the cell.
Step 2: Determine the Direction of Water Movement
  • In a hypertonic solution, water will move out of the cell to the area of higher solute concentration (the solution).
Step 3: Predict the Effect on the Cell
  • As water leaves the cell, the cell will lose water and shrink.
  • This process is known as crenation or shriveling.

Final Answer

  • The correct statement is: "The cell is hypotonic compared to the solution. The cell will lose water and crenulate (shrivel up)."
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