A nurse is preparing to administer 0.45% sodium chloride (NaC1) 1000 mL IV to infuse over 8 hr. The nurse should set the IV pump to deliver how many mL/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 ["125"]
Given:
Total volume to infuse: 1000 mL
Infusion time: 8 hours
To find:
Infusion rate (mL/hr)
Step 1: Calculate the infusion rate
Infusion rate (mL/hr) = Total volume / Infusion time
Infusion rate (mL/hr) = 1000 mL / 8 hours = 125 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Given:
Desired dose: Chlorpromazine 50 mg IM
Available concentration: Chlorpromazine injection 25 mg/mL
To find:
Volume to administer per dose (in mL)
Step 1: Set up the proportion
We can use the following proportion to solve the problem:
(Desired dose) / (Available concentration) = Volume to administer
Step 2: Substitute the values
Plugging in the given values, we get:
(50 mg) / (25 mg/mL) = Volume to administer
Step 3: Simplify
To simplify, we can invert the denominator and multiply:
(50 mg) x (1 mL / 25 mg) = Volume to administer
The "mg" units cancel out, leaving us with:
(50 x 1 mL) / 25 = Volume to administer
Step 4: Calculate
Performing the multiplication and division, we get:
50 mL / 25 = Volume to administer
2 mL = Volume to administer
Correct Answer is ["8"]
Explanation
Given:
Total volume to infuse: 150 mL
Infusion time: 3 hours
Drop factor of tubing: 10 gtt/mL
To find:
Drip rate (gtt/min)
Step 1: Convert infusion time to minutes
3 hours x 60 minutes/hour = 180 minutes
Step 2: Calculate the total number of drops
Total drops = Total volume x Drop factor
Total drops = 150 mL x 10 gtt/mL = 1500 gtt
Step 3: Calculate the drip rate
Drip rate = Total drops / Infusion time in minutes
Drip rate = 1500 gtt / 180 minutes = 8.33 gtt/min
Step 4: Round to the nearest whole number
8 gtt/min
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