Enteral & parenteral nutrition calculations worksheet with answers

Free printable Enteral & parenteral nutrition calculations worksheet: 6 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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Name: ____________________   Date: ____________

1.Easy
1.5 kcal/mL1250 mL/day5 × ? mL5× per day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 1250 mL of formula a day, given as 5 equal bolus feeds. What volume V is given in each bolus? Round to the nearest whole number.

1250 mL/day5 boluses
V = mL
2.Easy
1 kcal/mL1600 kcal/day8 × ? mL8× per day

Practice exercise (made-up values, not clinical guidance). A patient on bolus tube feeding needs 1600 kcal a day from a formula that provides 1 kcal/mL. The daily amount is given as 8 equal boluses. What volume V is given in each bolus? Round to the nearest whole number.

1600 kcal/day1 kcal/mL8 boluses
V = mL
3.Medium
175 cmmanIBW = ? kg

Practice exercise (made-up values, not clinical guidance). Use the Devine formula to find the ideal body weight IBW of a man who is 175 cm tall (1 in = 2.54 cm). Round to one decimal place.

175 cmman1 in = 2.54 cm
IBW = kg
4.Medium
1 kcal/mL30 kcal/kg/day? mL/h52 kg24 h/day

Practice exercise (made-up values, not clinical guidance). A 52 kg adult (BMI below 30) needs 30 kcal/kg/day. The tube feed provides 1 kcal/mL and runs by pump for 24 hours a day. At what rate R do you set the pump, in mL/h? Round to the nearest whole number.

52 kg30 kcal/kg/day1 kcal/mL24 h
R = mL/h
5.Hard
24 hdextrose 12.5%2000 mLamino acids 3.5%2000 mLlipid 10%250 mL · 1.1 kcal/mLdextrose 3.4 kcal/gamino acids 4 kcal/gE = ? kcal

Practice exercise (made-up values, not clinical guidance). Over 24 hours a patient receives 2000 mL of parenteral nutrition with final concentrations of 12.5% dextrose and 3.5% amino acids, plus 250 mL of 10% lipid emulsion (1.1 kcal/mL). Find the total energy E the patient receives in kcal per day. Round to the nearest whole number.

2000 mLdextrose 12.5%amino acids 3.5%lipid 250 mL · 1.1 kcal/mL
E = kcal/day
6.Hard
24 hdextrose 25%2000 mLamino acids 5%2000 mL83 kg24 hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). An 83 kg adult receives 2000 mL of parenteral nutrition containing 25% dextrose, infused over 24 hours. Find the glucose infusion rate GIR in mg/kg/min. Round to two decimal places.

83 kg2000 mLdextrose 25%24 h
GIR = mg/kg/min

Answer key

  1. 1. V = 250 mL
  2. 2. V = 200 mL
  3. 3. IBW = 70.5 kg
  4. 4. R = 65 mL/h
  5. 5. E = 1405 kcal/day
  6. 6. GIR = 4.18 mg/kg/min

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