A nurse is assisting with the care of a client who is pregnant and has a prescription for dextrose 5% in 0.9% sodium chloride 250 mL IV to infuse over 4 hr. The nurse should ensure that the IV pump is set to administer 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 ["63"]
Given:
Total volume: 250 mL
Time: 4 hours
Steps to solve:
Determine the flow rate:
Set up a proportion to solve for the unknown flow rate (X):
250 mL/4 hr = X mL/1 hr
Cross-multiplying gives us:
250 mL x 1 hr = 4 hr x X mL
Simplifying:
250 = 4X
Solving for X:
X = 250 / 4 = 62.5 mL/hr
Round to the nearest whole number:
63 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Given:
Prescribed dose: 100 mcg of fentanyl
Available concentration: 0.05 mg/mL
Steps to solve:
Convert mcg to mg:
1 mg = 1000 mcg
So, 100 mcg = 0.1 mg
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
0.05 mg/mL = 0.1 mg/X mL
Cross-multiplying gives us:
0.05 mg x X mL = 0.1 mg x 1 mL
Simplifying:
0.05X = 0.1
Solving for X:
X = 0.1 / 0.05 = 2 mL
Correct Answer is ["2500"]
Explanation
The problem: Administer 2.5 L of lactated Ringer's solution.
1 liter (L) = 1000 milliliters (mL).
To convert 2.5 L to mL, we multiply:
2.5 L x 1000 mL/L = 2500 mL
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