A nurse is preparing to administer magnesium sulfate 4 g to a client byintermittent IV bolus over 20 min. Available is magnesium sulfate 4 g in 0.9% sodiumchloride 50 mL. 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 ["150"]
Infusion rate = volume in mls/ infusion time in hrs
= 50mls divided by 20/60
= 150mls/hr
The nurse should set the IV pump to deliver 150 mL/hr.
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Related Questions
Correct Answer is ["6.7"]
Explanation
The question is asking for the volume of ferrous sulfate syrup that the nurse should administer per dose. The desired dose is 120 mg and the available syrup has a concentration of 90 mg/5 mL.
Let’s calculate this step by step:
Step 1: Identify the desired dose, which is 120 mg.
Step 2: Identify the concentration of the available medication, which is 90 mg/5 mL.
Step 3: Set up the equation to solve for the volume (V) in mL. The equation is (Desired dose ÷ Concentration) × Volume of the concentration = V.
Step 4: Substitute the known values into the equation: (120 mg ÷ 90 mg) × 5 mL = V.
Step 5: Solve the equation: V = (1.33) × 5 mL = 6.67 mL.
So, the nurse should administer approximately 6.7 mL of the ferrous sulfate syrup per dose.
Correct Answer is ["167"]
Explanation
To find the infusion rate in mL/hr, divide the total volume of fluid by the total time of infusion.
Total volume of fluid = 1,000 mL Total time of infusion = 6 hr
Infusion rate = 1,000 mL / 6 hr = 166.67 mL/hr
Round the answer to the nearest whole number: 167 mL/hr
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