Which of the following is an unexpected value that the nurse, in reviewing the results of the patient's blood work, should report to the physician?
a. Calcium 1.9 mmol/L
b. Sodium 140 mmol/L
c. Potassium 3.5 mmol/L
d. Magnesium 0.8 mmol/L
A
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A A calcium concentration of 1.9 mmol/L should be reported to the physician. A normal calcium concentration is 2.25 to 2.75 mmol/L.
B A sodium concentration of 140 mmol/L is within the normal range of 136 to 145 mmol/L.
C A potassium concentration of 3.5 mmol/L is within the normal range of 3.5 to 5.0 mmol/L.
D A magnesium concentration of 1.8 mmol/L is within the normal range of 0.65–1.05 mmol/L.
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