Difficulty: Medium
Average Score: 62%
Full-length
The nurse has an order to administer ampicillin (Omnipen) 250 mg I.M. After reconstituting the ampicillin with sterile water for injection, the solution available is 500 mg/mL. How many milliliters should the nurse administer?
Correct answer
A
Rationale
To administer 250 mg from a 500 mg/mL solution, the calculation is 250 mg / 500 mg/mL = 0.5 mL.