The nurse is reviewing the laboratory values for a patient. Which of the following values is considered below the normal range?
1. chloride 102 mEq/L
2. magnesium 1.0 mg/dL
3. calcium 2.2 mmol/L
4. phosphate 3.0 mg/dL
2
Rationale: The normal range for serum magnesium is 1.6 to 2.6 mg/dl. The value of 1.0 mg/dL is considered low. The other values are within the normal ranges.
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