A child with an infection receives prescription for cefixime 80 mg by mouth every 12 hours. The bottle is labeled, Cetixime for Oral Suspension, USP 100 mg 5 mL. How many mL should nurse administer? (Enter numerical value only.)
The Correct Answer is ["4"]
Given:
Ordered dose of Cefixime: 80 mg
Concentration of Cefixime suspension: 100 mg per 5 mL
Step 1: Set up the proportion:
Desired dose (mg) / Volume to administer (mL) = Concentration (mg/mL)
Step 2: Substitute the values:
80 mg / Volume = 100 mg/5 mL
Step 3: Solve for the unknown volume:
Volume = 80 mg / (100 mg/5 mL)
Volume = 80 mg x (5 mL / 100 mg)
Volume = 4 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.3"]
Explanation
Given:
Ordered dose of Filgrastim: 5 mcg/kg/daily
Patient weight: 176 pounds
Concentration of Filgrastim: 300 mcg/mL
Step 1: Convert patient weight from pounds to kilograms:
1 pound (lb) = 0.453592 kilograms (kg)
Patient weight in kg = 176 lbs x 0.453592 kg/lb = 79.832 kg
Step 2: Calculate the total daily dose of Filgrastim:
Total daily dose (mcg) = Ordered dose (mcg/kg/daily) x Patient weight (kg)
Total daily dose (mcg) = 5 mcg/kg/daily x 79.832 kg
Total daily dose (mcg) = 399.16 mcg
Step 3: Calculate the volume to be administered:
Volume (mL) = Total daily dose (mcg) / Concentration (mcg/mL)
Volume (mL) = 399.16 mcg / 300 mcg/mL
Volume (mL) = 1.3305 mL
Step 4: Round to the nearest tenth:
Volume (mL) ≈ 1.3 mL
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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