After infusing the half strength formula at 40 ml/hour for 6 hours, the nurse checks the clients residual volume and obtains 75 ml. The prescription for the formula states that the prescription should be increased by 10 ml/hour as long as the client's residual volume is less that half the previously infused total volume.
What action should the nurse implement?
A. Decrease the rate of the formula to 30 ml/hour
B. Maintain the rate of the formula at 40 ml/hour
C. Increase the rate of the formula to 50 ml/ hour
D. Increase the rate of the formula to 75 ml/hour
