The healthcare provider prescribes daptomycin 9 mg/kg/day IV for a child who weighs 44 pounds. How many mg of the medication should the nurse prepare to administer? (Enter numeric value only.)
The Correct Answer is ["180"]
Given:
Ordered dose of Daptomycin: 9 mg/kg/day
Child's weight: 44 pounds
Step 1: Convert child's weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Child's weight in kg = 44 lbs x 0.453592 kg/lb = 19.958 kg
Step 2: Calculate the total daily dose of Daptomycin:
Total daily dose (mg) = Ordered dose (mg/kg/day) x Child's weight (kg)
Total daily dose (mg) = 9 mg/kg/day x 19.958 kg
Total daily dose (mg) = 179.622 mg
Round off to 180 mg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["4"]
Explanation
Ordered dose of tetracycline: 500 mg every 12 hours
Available tetracycline capsules: 250 mg/capsule
Step 1: Determine the total daily dose of tetracycline:
Since the medication is given every 12 hours, there are 2 administrations per day.
Total daily dose (mg) = Dose per administration (mg) x Number of administrations per day
Total daily dose (mg) = 500 mg/dose x 2 doses/day
Total daily dose (mg) = 1000 mg/day
Step 2: Calculate the number of capsules required per day:
Number of capsules/day = Total daily dose (mg) / Strength of each capsule (mg/capsule)
Number of capsules/day = 1000 mg/day / 250 mg/capsule
Number of capsules/day = 4 capsules/day
Correct Answer is ["28"]
Explanation
Given:
Volume of fluid: 1 liter = 1000 mL
Infusion time: 6 hours
Drop factor: 10 gtt/mL
Formula:
Flow rate (gtt/min) = (Volume (mL) / Time (hr)) x Drop factor (gtt/mL) / 60 min/hr
Step 1: Calculate the infusion rate in mL/hr:
Infusion rate (mL/hr) = Volume (mL) / Time (hr)
Infusion rate (mL/hr) = 1000 mL / 6 hr
Infusion rate (mL/hr) = 166.67 mL/hr
Step 2: Calculate the flow rate in gtt/min:
Flow rate (gtt/min) = (Infusion rate (mL/hr) x Drop factor (gtt/mL)) / 60 min/hr
Flow rate (gtt/min) = (166.67 mL/hr x 10 gtt/mL) / 60 min/hr
Flow rate (gtt/min) = 1666.7 gtt/hr / 60 min/hr
Flow rate (gtt/min) = 27.778 gtt/min
Step 3: Round to the nearest whole number:
Flow rate (gtt/min) ≈ 28 gtt/min
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