For this dehydration problem, multiple answers are possible. During severe dehyd

Question

For this dehydration problem, multiple answers are possible.

During severe dehydration cells within the kidneys will want to conserve water and keep it in the blood rather than letting it leave as urine. The kidneys can do this because they have a unique arrangement between blood capillaries and tubules which contain products filtered out of the blood So, for example, water that was initially filtered out of the blood and put in the tubules can then be reabsorbed" into the blood. Which of the following could potentially help to achieve this? Pump sodium from the tubules into the blood via active transport Create a hypotonic solution of urine in the tubules with respect to the blood in the capillaries Create a hypertonic solution of urine in the tubules with respect to the blood capillaries Create a situation where the blood is hypertonic with respect to sodium Create a situation where the blood is hypotonic with respect to sodium Create a situation where blood and urine are isotonic

Explanation / Answer

During severe dehydration, kidneys serve to conserve as much water as possible. This water conservation by kidneys can occur in following ways,

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