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/mL1500 kcal/day4 × ? mL4× per day

Practice exercise (made-up values, not clinical guidance). A patient on bolus tube feeding needs 1500 kcal a day from a formula that provides 1.5 kcal/mL. The daily amount is given as 4 equal boluses. What volume V is given in each bolus? Round to the nearest whole number.

1500 kcal/day1.5 kcal/mL4 boluses
V = mL
2.Easy
1.2 kcal/mL1200 kcal/day? mL/h18 h/day

Practice exercise (made-up values, not clinical guidance). A patient needs 1200 kcal a day from a tube feed that provides 1.2 kcal/mL. The feed runs by pump for 18 hours a day. At what rate R do you set the pump, in mL/h? Round to the nearest whole number.

1200 kcal/day1.2 kcal/mL18 h
R = mL/h
3.Medium
1.2 kcal/mL81% free water45 mL/hevery 6 h54 kg · 30 mL/kg/day18 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). A 54 kg patient has a fluid goal of 30 mL/kg/day and receives all fluid through a feeding tube. The formula is 81% free water and runs at 45 mL/h for 18 hours a day. The rest of the fluid is given as water flushes every 6 hours. What volume V is each flush? Round to the nearest whole number.

54 kg30 mL/kg/day81%45 mL/h · 18 hevery 6 h
V = mL
4.Medium
1 kcal/mL35 kcal/kg/day? mL/h52 kg24 h/day

Practice exercise (made-up values, not clinical guidance). A 52 kg adult (BMI below 30) needs 35 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 kg35 kcal/kg/day1 kcal/mL24 h
R = mL/h
5.Hard
24 hdextrose 10%1200 mLamino acids 4%1200 mLlipid 20%250 mL · 2 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 1200 mL of parenteral nutrition with final concentrations of 10% dextrose and 4% amino acids, plus 250 mL of 20% lipid emulsion (2 kcal/mL). Find the total energy E the patient receives in kcal per day. Round to the nearest whole number.

1200 mLdextrose 10%amino acids 4%lipid 250 mL · 2 kcal/mL
E = kcal/day
6.Hard
24 hdextrose 20%1000 mLamino acids 5%1000 mLlipid 10%500 mL · 1.1 kcal/mLN = protein/6.25NPC : N = ? : 1

Practice exercise (made-up values, not clinical guidance). Over 24 hours a patient receives 1000 mL of parenteral nutrition with final concentrations of 20% dextrose and 5% amino acids, plus 500 mL of 10% lipid emulsion (1.1 kcal/mL). Find the non-protein kilocalorie to nitrogen ratio NPC : N (the number x in x : 1). Round to the nearest whole number.

1000 mLdextrose 20%amino acids 5%lipid 500 mL · 1.1 kcal/mL
NPC : N =

Answer key

  1. 1. V = 250 mL
  2. 2. R = 56 mL/h
  3. 3. V = 241 mL
  4. 4. R = 76 mL/h
  5. 5. E = 1100 kcal/day
  6. 6. NPC : N = 154

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