Jackie returns to the ward. She is to have a morphine infusion to deliver pain relief via a syringe driver. You note that the order is for 45 mg of morphine in 60 ml of fluid. You assist the registered nurses to set up this infusion.
-Stock of morphine is 15 mg/ml, so the volume required for this order is
A) 2 ml
B) 2.5 ml
C) 3 ml
D) 4 ml

Question

Quizplus · Accepted Answer

To prepare 45 mg of morphine using a stock solution of 15 mg/ml, divide the total amount of morphine needed (45 mg) by the concentration of the stock solution (15 mg/ml). This calculation gives 45 mg / 15 mg/ml = 3 ml.

Jackie Returns to the Ward