A physician ordered heparin 8,000 units SC bid. Heparin injection is available as 10,000 units/1 mL. How many milliliters must be administered?
0.4 mL
0.8 mL
1 mL
2.4 mL
0.8 mL
Rationale: 0.8 mL of heparin must be administered subcutaneously twice per day. Use the formula D/H x Q. Therefore, 8,000 units / 10,000 units x 1 mL = 8/10 mL, or 0.8 mL.
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