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 kcal/day5 × ? mL5× per day

Practice exercise (made-up values, not clinical guidance). A patient on bolus tube feeding needs 1800 kcal a day from a formula that provides 1 kcal/mL. The daily amount is given as 5 equal boluses. What volume V is given in each bolus? Round to the nearest whole number.

1800 kcal/day1 kcal/mL5 boluses
V = mL
2.Easy
1.5 kcal/mL1000 mL/day? mL/h16 h/day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 1000 mL of tube feed a day, run by pump over 16 hours. At what rate R do you set the pump, in mL/h? Round to the nearest whole number.

1000 mL/day16 h
R = mL/h
3.Medium
1.5 kcal/mL76% free water70 mL/hevery 4 h70 kg · 35 mL/kg/day18 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). A 70 kg patient has a fluid goal of 35 mL/kg/day and receives all fluid through a feeding tube. The formula is 76% free water and runs at 70 mL/h for 18 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.

70 kg35 mL/kg/day76%70 mL/h · 18 hevery 4 h
V = mL
4.Medium
63 g/L1.8 g/kg/day90 mL/h85 kg18 h/dayΔP = ? g

Practice exercise (made-up values, not clinical guidance). An 85 kg patient needs 1.8 g of protein per kg a day. The tube feed contains 63 g of protein per litre and runs at 90 mL/h for 18 hours a day. How many grams of extra protein ΔP a day are still needed? Round to one decimal place.

85 kg1.8 g/kg/day63 g/L90 mL/h · 18 h
ΔP = g/day
5.Hard
132 kg160 cmwomanBMI = kg/m²E = ? kcal/day

Practice exercise (made-up values, not clinical guidance). A critically ill woman is 160 cm tall and weighs 132 kg. The practice protocol gives 12 kcal/kg of actual body weight per day if the BMI is 30–50 kg/m², and 23 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.

160 cm132 kgwomanBMI 30–50: 12 kcal/kg actualBMI > 50: 23 kcal/kg IBW
E = kcal/day
6.Hard
16 hdextrose 20%1800 mLamino acids 4%1800 mL98 kg16 hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). A 98 kg adult receives 1800 mL of parenteral nutrition containing 20% dextrose, infused over 16 hours. Find the glucose infusion rate GIR in mg/kg/min. Round to two decimal places.

98 kg1800 mLdextrose 20%16 h
GIR = mg/kg/min

Answer key

  1. 1. V = 360 mL
  2. 2. R = 63 mL/h
  3. 3. V = 249 mL
  4. 4. ΔP = 50.9 g/day
  5. 5. E = 1205 kcal/day
  6. 6. GIR = 3.83 mg/kg/min

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