A client who had a small bowel resection two weeks ago is receiving 3/4 strength Ensure feedings 275 ml every 4 hours via nasogastric tube. Full strength Ensure is available in a 240 ml can. The nurse should use how many ml of Ensure to prepare the feeding? (Enter numeric value only. Round to nearest whole number if needed.)
The Correct Answer is ["206"]
Calculation for 3/4 Strength Ensure Feeding
Prompt: To determine how many milliliters of full-strength Ensure to use to prepare a 3/4 strength feeding.
Given:
Desired volume of 3/4 strength Ensure: 275 mL
Strength required: 3/4
Formula:
Amount of full-strength Ensure = Total volume x Strength required
Calculation:
Amount of full-strength Ensure = 275 mL x (3/4)
Amount of full-strength Ensure = (275 x 3) / 4
Amount of full-strength Ensure = 825 / 4
Amount of full-strength Ensure = 206.25 mL
Rounding to the nearest whole number:
Amount of full-strength Ensure = 206 mL
Therefore, the nurse should use 206 mL of full-strength Ensure to prepare the feeding.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Understanding the Problem:
We need to administer 500 mg of amoxicillin/clavulanate potassium.
The available tablets contain 250 mg amoxicillin and 125 mg clavulanate potassium.
Solution:
Determine the total amount of active ingredients in the available tablets:
250 mg (amoxicillin) + 125 mg (clavulanate potassium) = 375 mg/tablet
Calculate the number of tablets needed:
500 mg (desired dose) / 375 mg/tablet = 1.33 tablets
Since we cannot administer a fraction of a tablet, we round up to the nearest whole number.
Therefore, the nurse should administer 2 tablets for each dose.
Correct Answer is ["22"]
Explanation
Calculating the Propofol Infusion Rate
Step 1: Convert weight to kilograms:
198 lbs x (1 kg / 2.20462 lbs) ≈ 90 kg
Step 2: Calculate the desired dose rate in mcg/minute:
8 mcg/kg/minute x 90 kg = 720 mcg/minute
Step 3: Calculate the concentration of propofol in the IV solution:
100 mg/50 mL = 2 mg/mL
Step 4: Calculate the infusion rate in mL/hour:
First, convert mcg to mg:
720 mcg x (1 mg / 1000 mcg) = 0.72 mg/minute
Then, set up a proportion:
x mL/hour / 0.72 mg/minute = 60 minutes/hour / 2 mg/mL
Cross-multiply and solve for x:
x mL/hour = 0.72 mg/minute x 60 minutes/hour / 2 mg/mL
x mL/hour ≈ 21.6 mL/hour
Therefore, the nurse should program the infusion pump to deliver approximately 22 mL/hour.
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