A client with cachexia is receiving 3/4 strength of a liquid nutritional supplement 360 mL every 6 hours via nasogastric tube. Full strength of the nutritional supplement is available in a 240 mL can. How many mL of the nutritional supplement should the nurse use to prepare the feeding? (Enter numerical value only. If rounding is required, round to nearest whole number if needed.)
The Correct Answer is ["270"]
Calculation:
First, determine the volume of the full strength supplement needed for one feeding if it were given at full strength:
Full strength volume = 360 mL
Calculate the volume of the full strength supplement needed to prepare a 3/4 strength feeding:
Volume of full strength supplement = (Fraction of strength) x (Total volume of feeding)
= (3/4) x 360 mL
= 0.75 x 360 mL
= 270 mL
Therefore, the nurse should use 270 mL of the full strength nutritional supplement to prepare the feeding.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["21"]
Explanation
Calculation:
Total volume to be infused = 250 mL
Identify the infusion time in minutes:
Infusion time = 2 hours x 60 minutes/hour = 120 minutes
Drop factor of the IV administration set = 10 gtt/mL
Calculate the total number of drops to be infused:
Total drops = Total volume (mL) x Drop factor (gtt/mL)
= 250 mL x 10 gtt/mL
= 2500 gtt
Calculate the infusion rate in drops per minute (gtt/min):
Infusion rate (gtt/min) = Total drops / Infusion time (minutes)
= 2500 gtt / 120 minutes
=20.83 gtt/minute
Round to the nearest whole number:
= 21 gtt/minute
Correct Answer is ["0.25"]
Explanation
Calculation:
Convert the child's weight from pounds to kilograms:
Weight (kg) = Weight (pounds) / 2.2 pounds/kg
= 55 pounds / 2.2 pounds/kg
= 25 kg
Calculate the prescribed dose in milligrams:
Dose (mg) = Prescribed dose (mg/kg) x Child's weight (kg)
= 0.01 mg/kg x 25 kg
= 0.25 mg
Calculate the volume to administer in mL:
Volume to administer (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 0.25 mg / 1 mg/mL
= 0.25 mL
Rounding to the nearest hundredth,
= 0.25 mL.
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