A nurse is preparing to administer 12 L of lactated Ringer’s IV to infuse over 24 hr. Half of the fluid is to be administered in the first 8 hr. The nurse should set the IV pump to deliver how many mL/hr during the first 8 hr?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["750"]
To calculate the infusion rate for the first 8 hours, we can use the following formula:
Infusion rate (mL/hr) = (Volume to be infused / Time for infusion)
First, we need to find the volume to be infused in the first 8 hours:
Volume for the first 8 hours = Total volume / 2 = 12 L / 2 = 6 L = 6000 mL
Now we can calculate the infusion rate for the first 8 hours:
Infusion rate = 6000 mL / 8 hr = 750 mL/hr
Therefore, the nurse should set the IV pump to deliver 750 mL/hr during the first 8 hours.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.4"]
Explanation
Given:
Enoxaparin dose: 40 mg
Available concentration: 100 mg/mL
Step 1: Calculate the volume of enoxaparin to be administered in mL
Volume = Enoxaparin dose / Concentration
Volume = 40 mg / 100 mg/mL
Volume = 0.4 mL
Rounding to the nearest tenth:
Volume = 0.4 mL
Therefore, the nurse should administer 0.4 mL of enoxaparin subcutaneously for the prevention of deep vein thrombosis.
Correct Answer is ["0.04"]
Explanation
To calculate the amount of exenatide 10 mcg needed from a concentration of 250 mcg/mL, we can use the following formula:
Amount (mL) = (Desired dose in mcg) / (Concentration in mcg/mL)
Plugging in the values:
Amount (mL) = 10 mcg / 250 mcg/mL
Calculating:
Amount (mL) = 0.04 mL
Rounding to the nearest hundredth:
Amount to administer = 0.04 mL
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