A nurse is preparing to administer 0.45% sodium chloride 000 mL IV to infuse over 6 hr to a postpartum client. 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 ["167"]
Given:
Total volume: 1000 mL
Time: 6 hours
Steps to solve:
Determine the flow rate:
Set up a proportion to solve for the unknown flow rate (X):
1000 mL/6 hr = X mL/1 hr
Cross-multiplying gives us:
1000 mL x 1 hr = 6 hr x X mL
Simplifying:
1000 = 6X
Solving for X:
X = 1000 / 6 = 166.67 mL/hr
Round to the nearest whole number:
167 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["6.7"]
Explanation
Given:
Prescribed dose: 120 mg of ferrous sulfate
Available concentration: 90 mg/5 mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
90 mg/5 mL = 120 mg/X mL
Cross-multiplying gives us:
90 mg x X mL = 120 mg x 5 mL
Simplifying:
90X = 600
Solving for X:
X = 600 / 90 = 6.67 mL
Round to the nearest tenth: 6.7 mL
Correct Answer is ["1.3"]
Explanation
Given:
Prescribed dose: 2.5 mg of methadone per dose
Available concentration: 10 mg/5 mL
Steps to solve:
Determine the volume to be administered:
Set up a proportion to solve for the unknown volume (X):
10 mg/5 mL = 2.5 mg/X mL
Cross-multiplying gives us:
10 mg x X mL = 2.5 mg x 5 mL
Simplifying:
10X = 12.5
Solving for X:
X = 12.5 / 10 = 1.25 mL
Round off to the nearest tenth:
1.3 mL
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