A nurse is preparing to administer morphine 0.1 mg/kg IM to a school-age child who weighs 88 Ib. The amount available is morphine 4 mg/mL. How many ml should the nurse administer? (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 ["1"]
Step-by-Step Solution:
Convert the child's weight from pounds to kilograms.
1 pound is approximately 0.453592 kilograms.
88 pounds = 88 x 0.453592 = 39.916736 kilograms.
Calculate the total dose of morphine.
The prescribed dose is 0.1 mg/kg.
The child weighs 39.916736 kg.
Total dose = 0.1 mg/kg x 39.916736 kg = 3.9916736 mg.
Calculate the volume of morphine injection to administer.
The available morphine injection is 4 mg/mL.
To find the volume, we can set up a proportion:
4 mg / 1 mL = 3.9916736 mg / x mL
Cross-multiplying:
4x = 3.9916736
Solving for x:
x = 3.9916736 / 4 = 0.9979184 mL
Round the answer to the nearest whole number: 1 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
Identify the given information:
Concentration of phenytoin oral suspension: 100 mg/4 mL
Volume of the container: 4 mL
Calculate the total dose of phenytoin:
Total dose = Concentration (mg/mL) x Volume (mL)
Substitute the values:
Total dose = 100 mg/4 mL x 4 mL
Calculate the result:
Total dose = 100 mg
Correct Answer is ["2.5"]
Explanation
Identify the given information:
Volume of fluoxetine oral solution: ½ tsp
Use the conversion factor:
1 tsp = 4.929 mL
Set up the conversion:
½ tsp x (4.929 mL / 1 tsp)
½ tsp x 4.929 mL/tsp = 2.4645 mL
Round the answer to the nearest tenth:
≈ 2.5 mL
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