A nurse is preparing to administer digoxin 0.375 mg PO daily. Available is digoxin elixir 0.05 mg/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 ["7.5"]
Determine the desired dosage:
The nurse needs to administer 0.375 mg of digoxin.
Determine the volume per dose:
The digoxin elixir contains 0.05 mg per 1 mL.
The nurse needs to administer 0.375 mg per dose.
To find the volume per dose, we can set up a proportion:
0.05 mg / 1 mL = 0.375 mg / x mL
Cross-multiplying gives us:
0.05x = 0.375
Dividing both sides by 0.05, we get:
x = 7.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
Determine the desired dosage:
The nurse needs to administer 10,000 units of heparin.
Determine the volume per dose:
The heparin injection contains 20,000 units per 1 mL.
The nurse needs to administer 10,000 units per dose.
To find the volume per dose:
20,000 units / 1 mL = 10,000 units / x mL
Cross-multiplying gives us:
20,000x = 10,000
Dividing both sides by 20,000, we get:
x = 0.5 mL
Correct Answer is ["5.1"]
Explanation
First, convert the child's weight from pounds to kilograms: 64 lb / 2.205 lb/kg = 29.02 kg
Calculate the total daily dose of methylprednisolone needed: 7 mg/kg x 29.02 kg = 203.14 mg
Calculate the dose per administration: 203.14 mg / 2 = 101.57 mg
Calculate the volume of methylprednisolone to administer per dose: 101.57 mg / 20 mg/mL = 5.0785 mL
Round to the nearest tenth: 5.0785 mL rounded to the nearest tenth is 5.1 mL.
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