What are normal values for serum Mg2+?
a. 1.3 to 2.1 mEq/L
b. 3.5 to 4.8 mEq/L
c. 9.0 to 10.5 mEq/L
d. 98.0 to 105.0 mEq/L
ANS: A
Normal values for serum Mg++ range from 1.7 to 2.1 mg/dl (1.7 to 1.4 mEq/L) in healthy adults.
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