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/mL2000 mL/day? mL/h24 h/day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 2000 mL of tube feed a day, run by pump over 24 hours. At what rate R do you set the pump, in mL/h? Round to the nearest whole number.

2000 mL/day24 h
R = mL/h
2.Easy
1 kcal/mL44 g protein/L35 mL/h20 h/dayE = ? kcal/day

Practice exercise (made-up values, not clinical guidance). A tube feed that provides 1 kcal/mL runs at 35 mL/h for 20 hours a day. How many kilocalories E does the patient receive per day?

35 mL/h20 h/day1 kcal/mL
E = kcal/day
3.Medium
1.5 kcal/mL30 kcal/kg/day? mL/h64 kg16 h/day

Practice exercise (made-up values, not clinical guidance). A 64 kg adult (BMI below 30) needs 30 kcal/kg/day. The tube feed provides 1.5 kcal/mL and 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.

64 kg30 kcal/kg/day1.5 kcal/mL16 h
R = mL/h
4.Medium
170 cmwomanIBW = ? kg

Practice exercise (made-up values, not clinical guidance). Use the Devine formula to find the ideal body weight IBW of a woman who is 170 cm tall (1 in = 2.54 cm). Round to one decimal place.

170 cmwoman1 in = 2.54 cm
IBW = kg
5.Hard
118 kg158 cmwomanBMI = kg/m²P = ? g/day

Practice exercise (made-up values, not clinical guidance). A critically ill woman is 158 cm tall and weighs 118 kg. The practice protocol gives 2 g of protein per kg of ideal body weight (Devine) per day if the BMI is 30 to under 40 kg/m², and 2.5 g/kg of ideal body weight per day if the BMI is 40 kg/m² or more. Find the protein goal P in g/day. Round to the nearest whole number.

158 cm118 kgwomanBMI 30–40: 2 g/kg IBWBMI ≥ 40: 2.5 g/kg IBW
P = g/day
6.Hard
24 hdextrose 10%2000 mLamino acids 3.5%2000 mLlipid 20%500 mL · 2 kcal/mLN = protein/6.25NPC : N = ? : 1

Practice exercise (made-up values, not clinical guidance). Over 24 hours a patient receives 2000 mL of parenteral nutrition with final concentrations of 10% dextrose and 3.5% amino acids, plus 500 mL of 20% lipid emulsion (2 kcal/mL). Find the non-protein kilocalorie to nitrogen ratio NPC : N (the number x in x : 1). Round to the nearest whole number.

2000 mLdextrose 10%amino acids 3.5%lipid 500 mL · 2 kcal/mL
NPC : N =

Answer key

  1. 1. R = 83 mL/h
  2. 2. E = 700 kcal/day
  3. 3. R = 80 mL/h
  4. 4. IBW = 61.4 kg
  5. 5. P = 126 g/day
  6. 6. NPC : N = 150

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