Question 1 • Health Science Concepts A1 – EDGNTY-83861 26-27
Cells may become dehydrated when water leaves the cell and enters the surrounding environment, leaving the cell limp and shriveled. When this happens, what type of solution is the cell in, and how would taking in water help the cell?
Answer
A
hypertonic; the concentration outside the cell would become less concentrated, and the water would reenter the cell
B
hypertonic; the concentration outside the cell would become less concentrated, and the water would reenter the cell
C
hypotonic; the concentration outside the cell would become less concentrated, and the water would reenter the cell
D
hypotonic; the concentration outside the cell would become less concentrated, and the water would reenter the cell
E
hypertonic; the concentration inside the cell would become less concentrated, and the water would reenter the cell
F
hypertonic; the concentration inside the cell would become less concentrated, and the water would reenter the cell
G
hypotonic; the concentration inside the cell would become less concentrated, and the water would reenter the cell
H
hypotonic; the concentration inside the cell would become less concentrated, and the water would reenter the cell
Explanation
Water leaves a cell when the surrounding solution is hypertonic, meaning it has a higher solute concentration than the cell. Taking in water dilutes the solution outside the cell, reducing its concentration difference and allowing water to move back into the cell. Choice A gives this explanation; the duplicated choice B says the same thing.
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