ATI N300 Dosage Calculation Proctored Exam
Calculation
Two nurses are confirming the dose of an insulin infusion for a client in DKA. The current rate of the client's infusion is 11 ml/hr. At this Institution, continuous insulin infusions are mixed with 75 units insulin in 150 ml of normal saline. What dose (units/hour) is the client currently receiving? (Round the answer to the nearest tenth Use a leading zero t applies. Do not use trailing zero.)
units/hr
Explanation & Rationale
Determine the concentration of the insulin solution: You have 75 units of insulin in 150 mL of normal saline. Concentration = 75 units / 150 mL = 0.5 units/mL Use the infusion rate to calculate the units of insulin per hour: The client is receiving 11 mL per hour. Units per hour = Infusion rate (mL/hr) x Concentration (units/mL) Units per hour = 11 mL/hr x 0.5 units/mL = 5.5 units/hr
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