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/mL1500 mL/day6 × ? mL6× per day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 1500 mL of formula a day, given as 6 equal bolus feeds. What volume V is given in each bolus? Round to the nearest whole number.

1500 mL/day6 boluses
V = mL
2.Easy
1.5 kcal/mL63 g protein/L55 mL/h24 h/dayP = ? g/day

Practice exercise (made-up values, not clinical guidance). A tube feed with 63 g of protein per litre runs at 55 mL/h for 24 hours a day. How many grams of protein P does the patient receive per day? Round to one decimal place.

55 mL/h24 h/day63 g/L
P = g/day
3.Medium
171 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 171 cm tall (1 in = 2.54 cm). Round to one decimal place.

171 cmwoman1 in = 2.54 cm
IBW = kg
4.Medium
1.5 kcal/mL30 kcal/kg/day? mL/h85 kg20 h/day

Practice exercise (made-up values, not clinical guidance). An 85 kg adult (BMI below 30) needs 30 kcal/kg/day. The tube feed provides 1.5 kcal/mL and runs by pump for 20 hours a day. At what rate R do you set the pump, in mL/h? Round to the nearest whole number.

85 kg30 kcal/kg/day1.5 kcal/mL20 h
R = mL/h
5.Hard
24 hdextrose 17.5%1500 mLamino acids 6%1500 mL101 kg24 hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). A 101 kg adult receives 1500 mL of parenteral nutrition containing 17.5% dextrose, infused over 24 hours. Find the glucose infusion rate GIR in mg/kg/min. Round to two decimal places.

101 kg1500 mLdextrose 17.5%24 h
GIR = mg/kg/min
6.Hard
117 kg174 cmmanBMI = kg/m²P = ? g/day

Practice exercise (made-up values, not clinical guidance). A critically ill man is 174 cm tall and weighs 117 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.

174 cm117 kgmanBMI 30–40: 2 g/kg IBWBMI ≥ 40: 2.5 g/kg IBW
P = g/day

Answer key

  1. 1. V = 250 mL
  2. 2. P = 83.2 g/day
  3. 3. IBW = 62.3 kg
  4. 4. R = 85 mL/h
  5. 5. GIR = 1.8 mg/kg/min
  6. 6. P = 139 g/day

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