Difficulty: Medium
Average Score: 84%
Simulated
A client is to receive a continuous Heparin infusion at 500 units per hour. Pharmacy supplies Heparin in a concentration of 25000 units per 250 mL of NSS. Calculate the rate at which the nurse should set the infusion pump.
Correct answer
5
Rationale
Correct Answer: 5. The nurse should set the infusion pump to deliver 5 mL/hr.
Rationale: To calculate the rate, we use the formula: (Desired dose * Volume) / Concentration. In this case, (500 units/hr * 1 hr) / 25000 units = 0.02 mL/hr. Since the concentration is 25000 units per 250 mL, we need 0.02 mL/hr * 250 mL = 5 mL/hr. This is the correct rate at which the nurse should set the infusion pump.
Summary of Other Choices:
A: Incorrect. This choice does not reflect the correct calculation based on the given information.
B-G: Irrelevant as they do not provide the necessary calculation steps to determine the correct infusion rate.
Rationale: To calculate the rate, we use the formula: (Desired dose * Volume) / Concentration. In this case, (500 units/hr * 1 hr) / 25000 units = 0.02 mL/hr. Since the concentration is 25000 units per 250 mL, we need 0.02 mL/hr * 250 mL = 5 mL/hr. This is the correct rate at which the nurse should set the infusion pump.
Summary of Other Choices:
A: Incorrect. This choice does not reflect the correct calculation based on the given information.
B-G: Irrelevant as they do not provide the necessary calculation steps to determine the correct infusion rate.