Final answer:
Isotonic fluids are crucial in fluid resuscitation to prevent harm to cells. Using hypertonic or hypotonic fluids can have negative effects.
Explanation:
Isotonic fluids should be used in fluid resuscitation, administered rapidly as a bolus. Isotonic solutions have the same concentration of solutes as blood and do not cause cells to shrink or swell. Using hypertonic or hypotonic fluids can lead to harmful effects on cells and should be avoided.
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