A 500 mL IV containing 20,000 units of heparin is running at 30 mL/hr. How many units/hr are being infused?
700
1000
1200
1500
1200
Rationale: 1200 units per hour are being infused. Calculate as follows: 20,000 units / 500 mL x 30 mL / 1 hr = 1200 units/hr.
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