A nurse is preparing to administer buprenorphine 4 mcg/kg IV bolus to a child who weighs 74 lb. Available is buprenorphine injection 0.3 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.45"]
Calculating the total dose in mg:
Convert the child's weight to kg: 74 lb ÷ 2.2 lb/kg = 33.64 kg
Calculate the total dose: 33.64 kg × 4 mcg/kg = 134.56 mcg
Converting mcg to mg:
1 mg = 1000 mcg
134.56 mcg ÷ 1000 mcg/mg = 0.13456 mg
Calculating the volume to administer:
Use the concentration of the medication: 0.13456 mg ÷ 0.3 mg/mL = 0.45 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.24"]
Explanation
Step 1: Convert the infant's weight from pounds to kilograms.
To convert pounds to kilograms, we use the conversion factor 1 kg = 2.2 lb.
Weight in kg= 21/2.2≈9.55 kg
Step 2: Calculate the total daily dose of clindamycin in mg.
Total dose in mg/day=15 mg/kg/day×9.55 kg=143.25 mg/day
Step 3: Divide the total daily dose into 4 equal doses (every 6 hours).
We divide the total daily dose by 4:
Dose per administration=143.25 mg/4=35.8125 mg/dose
Step 4: Determine the volume to administer per dose.
The available clindamycin phosphate injection concentration is 150 mg/mL. To determine how many mL the nurse should administer per dose, we use the following formula:
Volume (mL)=Dose in mg/Concentration in mg/mL=35.8125 mg/150 mg/mL=0.238 mL
Step 5: Round the answer.
Rounding off 0.238 mL gives 0.24 mL.
Correct Answer is A
Explanation
Answer: A. Budesonide 0.25 mg inhalation 2 times daily
Rationale:
A. Budesonide 0.25 mg inhalation 2 times daily:
While budesonide 0.25 mg is commonly prescribed for young children, a toddler weighing 30 kg exceeds the typical weight range for which this low dose is intended. Higher doses may be needed, and the dose should be clarified in relation to the child's size and clinical condition. The provider should confirm whether this is the appropriate dose.
B. Amoxicillin 250 mg PO q8h:
This is a commonly accepted pediatric dose for a toddler and generally falls within the safe dosage range for a child of 30 kg, especially when treating common infections. It does not require clarification.
C. Montelukast 4 mg PO daily:
Montelukast 4 mg is the standard daily dose for children aged 2–5 years. For a toddler (under 6), even if the weight is high, this dose is consistent with guidelines and doesn't require clarification.
D. Albuterol 2.5 mg inhalation q8h:
Albuterol 2.5 mg per nebulizer treatment is a standard dose for children, including toddlers, and can be safely administered every 6 to 8 hours. No clarification is needed for this order.
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