MDC3 Practice Test

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What is the infusion rate for a 250 mL PRBC transfusion over 2 hours?

125 mL/hr

Infusion rate is obtained by dividing the total volume by the total time. For 250 mL over 2 hours, 250 ÷ 2 = 125 mL per hour. So the transfusion should be administered at 125 mL/hr (roughly 2 mL per minute). In practice, start at a slower rate initially to monitor for reactions, but to complete the 2-hour infusion, the rate is 125 mL/hr.

50 mL/hr

250 mL/hr

83 mL/hr

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