A nurse is assisting with care of a cient who has a prescription for 3000 ml of intravenous huias over the nes:24 hr The nurse should set the IV pump to deliver how many mL/hr? (Round to the nearest whole number)
125 mL/hr
30 mL/hr
100 mL/hr
12.5 mL/hr
The Correct Answer is A
Given:
Volume of fluid: 3,000 mL
Infusion time: 24 hours
Formula:
Flow rate (mL/hr) = Volume (mL) / Time (hr)
Step 1: Calculate the infusion rate in mL/hr:
Flow rate (mL/hr) = 3,000 mL / 24 hr
Flow rate (mL/hr) = 125 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Given:
Ordered dose of diphenhydramine: 25 mg
Available diphenhydramine: 12.5 mg/5 mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
25 mg / Volume = 12.5 mg/5 mL
Step 3: Solve for the unknown volume:
Volume = 25 mg / (12.5 mg/5 mL)
Volume = 25 mg x (5 mL / 12.5 mg)
Volume = 10 mL
Correct Answer is D
Explanation
Identify the desired dose and the available concentration:
Desired dose: 5 mg of hydrocodone
Available concentration: 7.5 mg of hydrocodone in 15 mL of elixir
Calculate the volume needed for the desired dose using the formula:
Volume(mL)=(Desireddose(mg)/Availableconcentration(mg/mL))
Determine the available concentration in mg/mL:
Availableconcentration=(7.5mg/15mL)=0.5mg/mL
Calculate the volume needed for a 5 mg dose:
Volume(mL)=(5mg/0.5mg/mL)=10mL
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