NCLEX Practice Questions: Fluids &
Electrolytes
Check Your Knowledge
An adult male patient weighs 80 kg. Approximately what percentage of
his body weight is water?
30%
50–60%
Correct: Water makes up about 50–60% of an adult’s body weigh
70–80%
90-95%
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Check Your Knowledge
An older adult with confusion and poor skin turgor is admitted. Which
condition is most likely?
Hypervolemia
Hypernatremia
Dehydration (hypovolemia)
Correct: Confusion and poor turgor are classic signs of fluid volume deficit
Edema
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, 3/1/26, 8:20 PM NCLEX Practice Questions: Fluids & Electrolytes: 0126 NU 134 - 03E01 Fundamentals of Nursing II
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Check Your Knowledge
The nurse presses into a patient’s ankle and observes an indentation
that remains for several seconds. What does this indicate?
Pitting edema
Correct: Pitting edema results from excess interstitial fluid or low plasma
protein
Dehydration
Hyperkalemia
Poor tissue perfusion
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Check Your Knowledge
A patient receiving IV fluids develops crackles in the lungs, shortness of
breath, and a bounding pulse. What is the priority nursing action?
Increase IV rate
Stop monitoring I&O
Encourage salt intake
Restrict fluids and notify provider
Correct: These are signs of hypervolemia; fluid restriction and treatment are
required
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