NURSING EXAM QUESTIONS
PHARMACOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Doctor’s order says:300 mL of Packed Red Blood Cells to infuse over 4 hours. What is the hourly rate?
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75 mL/hr
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150 mL/hr
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100 mL/hr
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1200 mL/hr
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Explanation:
Detailed explanation-1: -If you simply need to figure out the infusion rate, or the mL per hour to infuse, take the total volume in mL, divided by the total time in hours that the medication is ordered to be infused over, to equal the rate in mL per hour.
Detailed explanation-2: -The drop factor is commonly around 15 gtt/mL. Taking note that 1 liter of normal saline equals 1, 000 mL, and time should always be 60 minutes. Depending on the physician’s order, time should be multiplied by 60 minutes. In this case, 60 minutes will be multiplied by 8.
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