A nurse is preparing to administer daptomycin 475 mg IV bolus. The nurse reconstitutes a vial of daptomycin to yield a final concentration of 0.5 g/10 ml How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["9.5"]
We need to administer 475 mg of daptomycin.
The reconstituted solution has a concentration of 0.5 g/10 mL, which is equivalent to 50 mg/mL.
Calculation:
Volume (mL) = Desired dose (mg) / Concentration (mg/mL) = 475 mg / 50 mg/mL = 9.5 mL
Therefore, the nurse should administer 9.5 mL of the reconstituted daptomycin solution.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["24"]
Explanation
Calculations:
The heparin solution contains 25,000 units in 500 mL.
To deliver 1,200 units/hour, we need to find out how many mL will deliver this amount.
Set up a proportion:
25,000 units / 500 mL = 1,200 units / x mL
Cross-multiply:
25,000x = 1,200 x 500
Solve for x:
x = (1,200 x 500) / 25,000 = 24 mL/hr
The nurse should set the IV pump to deliver 24 mL/hr.
Correct Answer is ["1880"]
Explanation
Understanding the problem
We need to calculate the total fluid intake in mL.
We have various fluids in ounces and mL.
There is a continuous IV infusion at 50 mL/hr for 12 hours.
Step-by-step calculation
Convert ounces to milliliters:
1 oz = 30 mL
Orange juice (½ cup):
½ cup = 4 oz → 4 oz = 120 mL
Milk:
8 oz = 240 mL
Coffee:
6 oz x 30 mL/oz = 180 mL
Ice chips:
4 oz x 1/2 x 30 mL/oz = 60 mL
Gelatin:
6 oz x 30 mL/oz = 180 mL
Decaffeinated coffee:
6 oz x 30 mL/oz = 180 mL
Apple juice:
4 oz x 30 mL/oz = 120 mL
Water: 200 mL
Calculate total oral fluid intake:
Calculate IV fluid intake:
IV fluid intake = 50 mL/hr x 12 hours = 600 mL
Calculate total fluid intake:
Therefore, the client's total fluid intake for the 12-hour shift is 1880 mL.
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