A marathon runner has just arrived in the emergency room with severe dehydration

Question

A marathon runner has just arrived in the emergency room with severe dehydration, and the physician must decide which type of solution to pump into his veins: pure water, 0.9 percent saline, or 1.5 percent saline. In order to be certain, blood samples are treated with each solution and observed under a microscope. Describe what is likely to happen to the blood cells when exposed to each of the solutions and explain why. pure water 0.9 percent saline 1.5 percent saline Which solution should the physician choose for rehydrating the runner?

Explanation / Answer

Answer:

In order to rehydrate the runner, a solution isotonic to the patient’s blood cells, 0.9 percent, should be infused into his bloodstream. A hypotonic solution would end up rupturing the patient’s cells.

Because-

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