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/mL2000 kcal/day? mL/h16 h/day

Practice exercise (made-up values, not clinical guidance). A patient needs 2000 kcal a day from a tube feed that provides 2 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.

2000 kcal/day2 kcal/mL16 h
R = mL/h
2.Easy
1 kcal/mL44 g protein/L40 mL/h16 h/dayE = ? kcal/day

Practice exercise (made-up values, not clinical guidance). A tube feed that provides 1 kcal/mL runs at 40 mL/h for 16 hours a day. How many kilocalories E does the patient receive per day?

40 mL/h16 h/day1 kcal/mL
E = kcal/day
3.Medium
1.2 kcal/mL81% free water80 mL/hevery 4 h89 kg · 30 mL/kg/day20 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). An 89 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 80 mL/h for 20 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.

89 kg30 mL/kg/day81%80 mL/h · 20 hevery 4 h
V = mL
4.Medium
44 g/L1.8 g/kg/day55 mL/h50 kg20 h/day7 g/scoopn = ?

Practice exercise (made-up values, not clinical guidance). A 50 kg patient needs 1.8 g of protein per kg a day. The tube feed contains 44 g of protein per litre and runs at 55 mL/h for 20 hours a day. A protein powder supplies 7 g of protein per scoop. How many scoops n a day are needed to cover the shortfall? Round up to a whole scoop.

50 kg1.8 g/kg/day44 g/L55 mL/h · 20 h7 g/scoop
n =
5.Hard
120 kg188 cmmanBMI = kg/m²P = ? g/day

Practice exercise (made-up values, not clinical guidance). A critically ill man is 188 cm tall and weighs 120 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.

188 cm120 kgmanBMI 30–40: 2 g/kg IBWBMI ≥ 40: 2.5 g/kg IBW
P = g/day
6.Hard
16 hdextrose 25%1000 mLamino acids 6%1000 mL86 kg16 hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). An 86 kg adult receives 1000 mL of parenteral nutrition containing 25% dextrose, infused over 16 hours. Find the glucose infusion rate GIR in mg/kg/min. Round to two decimal places.

86 kg1000 mLdextrose 25%16 h
GIR = mg/kg/min

Answer key

  1. 1. R = 63 mL/h
  2. 2. E = 640 kcal/day
  3. 3. V = 229 mL
  4. 4. n = 6
  5. 5. P = 164 g/day
  6. 6. GIR = 3.03 mg/kg/min

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