The physician orders medication R 500mg PO. Medication R is supplied as a suspension 125mg/5mL . How many mL will the nurse administer for 1 dose? Round of to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.
The Correct Answer is ["20"]
Let's calculate the dosage step-by-step:
1. Determine the concentration of the medication in the suspension:
125 mg / 5 mL = 25 mg/mL
2. Calculate the volume needed:
500 mg / 25 mg/mL = 20 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.0"]
Explanation
To determine the correct volume to administer per dose, follow these steps:
1. Calculate the total daily dosage:
The dosage is 5 mg/kg/day.
The patient weighs 120 kg.
Total daily dosage = 5 mg/kg x 120 kg = 600 mg/day.
2. Divide the total daily dosage by the number of doses per day:
The medication is to be given in three divided doses.
Dosage per dose = 600 mg/day / 3 = 200 mg per dose.
3. Determine the volume to administer per dose:
The medication is supplied as 100 mg/mL.
Volume per dose = 200 mg / 100 mg/mL = 2.0 mL.
4. Round to the nearest tenth:
2.0 mL is already rounded to the nearest tenth.
Correct Answer is ["12.8"]
Explanation
1. Convert pounds to kilograms:
176 lbs/2.20462 kg =80 kg
2. Calculate the desired heparin infusion rate:
16 units/kg/hr x 80kg = 1280 units/hr
3. Determine the concentration of heparin in the solution:
50000 units / 500 mL = 100 units/mL
4. Calculate the infusion rate in millilitres per hour:
1280 units/hr / 100 units/mL =12.8 mL/hr
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