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/mL2400 kcal/day? mL/h16 h/day

Practice exercise (made-up values, not clinical guidance). A patient needs 2400 kcal a day from a tube feed that provides 1.5 kcal/mL. The feed runs by pump for 16 hours a day. At what rate R do you set the pump, in mL/h? Round to the nearest whole number.

2400 kcal/day1.5 kcal/mL16 h
R = mL/h
2.Easy
2 kcal/mL1600 kcal/day? mL/h20 h/day

Practice exercise (made-up values, not clinical guidance). A patient needs 1600 kcal a day from a tube feed that provides 2 kcal/mL. The feed runs by pump for 20 hours a day. At what rate R do you set the pump, in mL/h? Round to the nearest whole number.

1600 kcal/day2 kcal/mL20 h
R = mL/h
3.Medium
1 kcal/mL25 kcal/kg/day? mL/h75 kg24 h/day

Practice exercise (made-up values, not clinical guidance). A 75 kg adult (BMI below 30) needs 25 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.

75 kg25 kcal/kg/day1 kcal/mL24 h
R = mL/h
4.Medium
1.5 kcal/mL25 kcal/kg/day? mL/h50 kg24 h/day

Practice exercise (made-up values, not clinical guidance). A 50 kg adult (BMI below 30) needs 25 kcal/kg/day. The tube feed provides 1.5 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.

50 kg25 kcal/kg/day1.5 kcal/mL24 h
R = mL/h
5.Hard
9 kgdextrose 7.5%52 mL/hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). A child who weighs 9 kg receives 7.5% dextrose at 52 mL/h. Find the glucose infusion rate GIR in mg/kg/min. Round to two decimal places.

9 kg7.5%52 mL/h
GIR = mg/kg/min
6.Hard
24 hdextrose 25%1000 mLamino acids 4%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 25% dextrose and 4% 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 25%amino acids 4%lipid 500 mL · 1.1 kcal/mL
NPC : N =

Answer key

  1. 1. R = 100 mL/h
  2. 2. R = 40 mL/h
  3. 3. R = 78 mL/h
  4. 4. R = 35 mL/h
  5. 5. GIR = 7.22 mg/kg/min
  6. 6. NPC : N = 219

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