An IV Infusion of Mannitol (A Hypertonic Sugar Solution)is Used

question 19

Multiple Choice

An IV infusion of mannitol (a hypertonic sugar solution) is used to decrease intracranial pressure in a head-injured patient because the mannitol

• A) provides calories for the healing of the injured brain.
• B) is absorbed by the injured brain cells and pulls water into the brain cells from the tissue fluid.
• C) pulls water out of the interstitium of the brain into the capillaries, thereby relieving edema.
• D) "clumps" the plasma proteins together, thereby severely diminishing plasma oncotic pressure.

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