During the post-operative care of a 76-year old patient, the nurse monitors the patient's intake and output carefully, knowing that the patient is at risk for fluid and electrolyte imbalances primarily because
A. Older adults have an impaired thirst mechanism and need reminding to drink fluids.
B. Water accounts for a greater percentage of body weight in the older adult than in younger adults.
C. Older adults are more likely than younger adults to lose extracellular fluid during surgical procedures.
D. Small losses of fluid are more significant because body fluids account for only about 50% of body weight in older adults.
Ans: D. Small losses of fluid are more significant because body fluids account for only about 50% of body weight in older adults.
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