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
1.5 kcal/mL68 g protein/L35 mL/h24 h/dayP = ? g/day

Practice exercise (made-up values, not clinical guidance). A tube feed with 68 g of protein per litre runs at 35 mL/h for 24 hours a day. How many grams of protein P does the patient receive per day? Round to one decimal place.

35 mL/h24 h/day68 g/L
P = g/day
2.Easy
1.5 kcal/mL68 g protein/L60 mL/h16 h/dayE = ? kcal/day

Practice exercise (made-up values, not clinical guidance). A tube feed that provides 1.5 kcal/mL runs at 60 mL/h for 16 hours a day. How many kilocalories E does the patient receive per day?

60 mL/h16 h/day1.5 kcal/mL
E = kcal/day
3.Medium
172 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 172 cm tall (1 in = 2.54 cm). Round to one decimal place.

172 cmman1 in = 2.54 cm
IBW = kg
4.Medium
73 kg161 cmwomanIBW (Devine)%IBW = ?

Practice exercise (made-up values, not clinical guidance). A woman is 161 cm tall and weighs 73 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.

161 cm73 kgwoman
%IBW = %
5.Hard
157 kg171 cmwomanBMI = kg/m²P = ? g/day

Practice exercise (made-up values, not clinical guidance). A critically ill woman is 171 cm tall and weighs 157 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.

171 cm157 kgwomanBMI 30–40: 2 g/kg IBWBMI ≥ 40: 2.5 g/kg IBW
P = g/day
6.Hard
120 kg189 cmmanBMI = kg/m²P = ? g/day

Practice exercise (made-up values, not clinical guidance). A critically ill man is 189 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.

189 cm120 kgmanBMI 30–40: 2 g/kg IBWBMI ≥ 40: 2.5 g/kg IBW
P = g/day

Answer key

  1. 1. P = 57.1 g/day
  2. 2. E = 1440 kcal/day
  3. 3. IBW = 67.7 kg
  4. 4. %IBW = 137 %
  5. 5. P = 156 g/day
  6. 6. P = 166 g/day

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