A female client was admitted to an acute care unit with weakness and complaints of dizziness. Dehydration is suspected as the cause. The nurse would expect which of the following lab values?
1. Sodium of 150 mEq/L; potassium 5.1 mEq/L; hematocrit of 50%
2. Sodium of 132 mEq/L; potassium 3.1 mEq/L; hematocrit of 35%
3. Sodium of 145 mEq/L; potassium 3.9 mEq/L; hematocrit of 44%
4. Sodium of 140 mEq/L; potassium 3.1 mEq/L; hematocrit of 37%
Sodium of 150 mEq/L; potassium 5.1 mEq/L; hematocrit of 50%
Rationale: For a dehydrated client, the nurse would expect the hematocrit, sodium, and potassium to be high (sodium of 150 mEq/L; potassium 5.1 mEq/L; hematocrit of 50%). For overhydration, the client would have low levels of sodium, potassium, and hematocrit (sodium of 132 mEq/L; potassium 3.1 mEq/L; hematocrit of 35%). Lab results within normal limits would not be expected with dehydration.
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