<prompt> How will a staff nurse prepare normal saline from 10 Dextrose per 100 ml20 ml 10 D with 80 ml NS60 ml 10 D with 40 ml NS60 ml 10 D with 50 ml NS80 ml 10 D with 20 ml NS  <response>: 10 Dextrose Injection, USP is a sterile, nonpyrogenic solution for fluid replenishment and caloric supply in single dose containers for intravenous administration. It contains no antimicrobial agents. The flexible container is a closed system, and air is prefilled in the container to facilitate drainage. If A patient needs 7.5 dextrose 500ml. The pharmacy has 10 dextrose in stock. A. What amount of concentrate is needed? B. What amount of diluent is needed? Desired strength 7.5 Strength in stock or available strength 10 Desired volume 500ml Amount of concentrate 10 dextrose needed A desired strength available strength desired volume A 7.5 10 500ml A 0.75 500ml A 375ml of 10 dextrose Amount of diluent 500ml - 375ml 125ml The preparation 375ml of 10 dextrose 125ml of diluent. Reference: GHAI Essential pediatrics, 8th edition 