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
2 kcal/mL84 g protein/L45 mL/h24 h/dayP = ? g/day

Practice exercise (made-up values, not clinical guidance). A tube feed with 84 g of protein per litre runs at 45 mL/h for 24 hours a day. How many grams of protein P does the patient receive per day? Round to one decimal place.

45 mL/h24 h/day84 g/L
P = g/day
2.Easy
1.5 kcal/mL63 g protein/L30 mL/h20 h/dayP = ? g/day

Practice exercise (made-up values, not clinical guidance). A tube feed with 63 g of protein per litre runs at 30 mL/h for 20 hours a day. How many grams of protein P does the patient receive per day? Round to one decimal place.

30 mL/h20 h/day63 g/L
P = g/day
3.Medium
107 kg171 cmmanIBW (Devine)%IBW = ?

Practice exercise (made-up values, not clinical guidance). A man is 171 cm tall and weighs 107 kg. Find the actual weight as a percentage of the ideal body weight, %IBW, using the Devine formula (1 in = 2.54 cm). Round to the nearest whole number.

171 cm107 kgman
%IBW = %
4.Medium
2 kcal/mL70% free water65 mL/hevery 6 h59 kg · 30 mL/kg/day18 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). A 59 kg patient has a fluid goal of 30 mL/kg/day and receives all fluid through a feeding tube. The formula is 70% free water and runs at 65 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.

59 kg30 mL/kg/day70%65 mL/h · 18 hevery 6 h
V = mL
5.Hard
18 hdextrose 15%2000 mLamino acids 6%2000 mL106 kg18 hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). A 106 kg adult receives 2000 mL of parenteral nutrition containing 15% dextrose, infused over 18 hours. Find the glucose infusion rate GIR in mg/kg/min. Round to two decimal places.

106 kg2000 mLdextrose 15%18 h
GIR = mg/kg/min
6.Hard
24 hdextrose 25%2000 mLamino acids 3.5%2000 mL106 kg24 hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). A 106 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.

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

Answer key

  1. 1. P = 90.7 g/day
  2. 2. P = 37.8 g/day
  3. 3. %IBW = 160 %
  4. 4. V = 238 mL
  5. 5. GIR = 2.62 mg/kg/min
  6. 6. GIR = 3.28 mg/kg/min

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