A client is prescribed to receive magnesium sulfate 5.6 mEq once a day. The medication available is 0.8 mEq/mL. How many mL of the medication should the nurse provide to the client?
1. 3.5
2. 7
3. 10.5
4. 14
2
Rationale 1: mL/day = 1 mL/0.8mEq x 5.6 mEq/day. Multiply the numerators (1.x 5.6= 5.6). Multiply the denominators (0.8 x 1 = 0.8). 5.6/0.8= 7 mL/day.
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