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 kcal/mL1800 mL/day? mL/h24 h/day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 1800 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.

1800 mL/day24 h
R = mL/h
2.Easy
1.2 kcal/mL1600 mL/day8 × ? mL8× per day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 1600 mL of formula a day, given as 8 equal bolus feeds. What volume V is given in each bolus? Round to the nearest whole number.

1600 mL/day8 boluses
V = mL
3.Medium
1.2 kcal/mL81% free water65 mL/hevery 4 h69 kg · 30 mL/kg/day24 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). A 69 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 65 mL/h for 24 hours a day. The rest of the fluid is given as water flushes every 4 hours. What volume V is each flush? Round to the nearest whole number.

69 kg30 mL/kg/day81%65 mL/h · 24 hevery 4 h
V = mL
4.Medium
163 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 163 cm tall (1 in = 2.54 cm). Round to one decimal place.

163 cmman1 in = 2.54 cm
IBW = kg
5.Hard
24 hdextrose 25%1000 mLamino acids 4%1000 mLlipid 10%500 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 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 total energy E the patient receives in kcal per day. Round to the nearest whole number.

1000 mLdextrose 25%amino acids 4%lipid 500 mL · 1.1 kcal/mL
E = kcal/day
6.Hard
75 kg156 cmwomanBMI = kg/m²E = ? kcal/day

Practice exercise (made-up values, not clinical guidance). A critically ill woman is 156 cm tall and weighs 75 kg. The practice protocol gives 13 kcal/kg of actual body weight per day if the BMI is 30–50 kg/m², and 25 kcal/kg of ideal body weight (Devine) per day if the BMI is above 50 kg/m². Find the energy goal E in kcal/day. Round to the nearest whole number.

156 cm75 kgwomanBMI 30–50: 13 kcal/kg actualBMI > 50: 25 kcal/kg IBW
E = kcal/day

Answer key

  1. 1. R = 75 mL/h
  2. 2. V = 200 mL
  3. 3. V = 134 mL
  4. 4. IBW = 59.6 kg
  5. 5. E = 1560 kcal/day
  6. 6. E = 975 kcal/day

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