The pharmacy has 1 mL vials of heparin available, each containing 5,000 units. How many milliliters are needed for a dose of 1,100 units?
0.11
0.22
0.45
2.2
0.22
Rationale: 0.22 mL are needed for a dose of 1,100 units of heparin. This is calculated by: 1100 x 1 / 5000 = 0.22 mL.
Health Professions
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