Author Question: Order: Polymixin B sulfate 25,000 units/kg/d in four equally divided doses IM. The label on the vial ... (Read 111 times)

javeds · **on:** Jul 3, 2018

Order: Polymixin B sulfate 25,000 units/kg/d in four equally divided doses IM. The label on the vial reads 500,000 units. The manufacturer recommends diluting 500,000 units with 5 ml of sterile water.

How many milliliters will you prepare for a single dose if the patient weighs 150 pounds? 1. 4.3 mL
2. 7.5 mL
3. 68.2 mL
4. 0.85 mL

Question 2

Order: Heparin sodium 670 units IV q.12h. The label on the vial reads 1000 units/mL. How many milliliters will you administer?

1. 1.5 mL
2. 0.67 mL
3. 0.067
4. 0.15

canderson530 · **Reply #1 on:** Jul 3, 2018

Answer to Question 1

1

Global Rationale: 68.2 kg 25,000 units/kg = 1,705,000 units 4 = 426,250 units = 4.3 mL.

Answer to Question 2

2

Global Rationale: 670 units 1 mL/1000 units