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/mL1250 mL/day? mL/h16 h/day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 1250 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.

1250 mL/day16 h
R = mL/h
2.Easy
1.2 kcal/mL1800 kcal/day8 × ? mL8× 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 1.2 kcal/mL. The daily amount is given as 8 equal boluses. What volume V is given in each bolus? Round to the nearest whole number.

1800 kcal/day1.2 kcal/mL8 boluses
V = mL
3.Medium
193 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 193 cm tall (1 in = 2.54 cm). Round to one decimal place.

193 cmman1 in = 2.54 cm
IBW = kg
4.Medium
1 kcal/mL84% free water85 mL/hevery 6 h50 kg · 35 mL/kg/day18 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). A 50 kg patient has a fluid goal of 35 mL/kg/day and receives all fluid through a feeding tube. The formula is 84% free water and runs at 85 mL/h for 18 hours a day. The rest of the fluid is given as water flushes every 6 hours. What volume V is each flush? Round to the nearest whole number.

50 kg35 mL/kg/day84%85 mL/h · 18 hevery 6 h
V = mL
5.Hard
95 kg168 cmwomanBMI = kg/m²P = ? g/day

Practice exercise (made-up values, not clinical guidance). A critically ill woman is 168 cm tall and weighs 95 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.

168 cm95 kgwomanBMI 30–40: 2 g/kg IBWBMI ≥ 40: 2.5 g/kg IBW
P = g/day
6.Hard
102 kg166 cmwomanBMI = kg/m²P = ? g/day

Practice exercise (made-up values, not clinical guidance). A critically ill woman is 166 cm tall and weighs 102 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.

166 cm102 kgwomanBMI 30–40: 2 g/kg IBWBMI ≥ 40: 2.5 g/kg IBW
P = g/day

Answer key

  1. 1. R = 78 mL/h
  2. 2. V = 188 mL
  3. 3. IBW = 86.8 kg
  4. 4. V = 116 mL
  5. 5. P = 119 g/day
  6. 6. P = 116 g/day

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