Order: Heparin sodium 670 units IV q.12h. The label on the vial reads "1000 units/mL." How many milliliters will you administer?
1. 1.5 mL
2. 0.67 mL
3. 0.067
4. 0.15
2
Global Rationale: 670 units × 1 mL/1000 units
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