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/L45 mL/h16 h/dayP = ? g/day

Practice exercise (made-up values, not clinical guidance). A tube feed with 68 g of protein per litre runs at 45 mL/h for 16 hours a day. How many grams of protein P does the patient receive per day? Round to one decimal place.

45 mL/h16 h/day68 g/L
P = g/day
2.Easy
1.2 kcal/mL55 g protein/L70 mL/h16 h/dayE = ? kcal/day

Practice exercise (made-up values, not clinical guidance). A tube feed that provides 1.2 kcal/mL runs at 70 mL/h for 16 hours a day. How many kilocalories E does the patient receive per day?

70 mL/h16 h/day1.2 kcal/mL
E = kcal/day
3.Medium
40 g/L1.3 g/kg/day60 mL/h77 kg18 h/dayΔP = ? g

Practice exercise (made-up values, not clinical guidance). A 77 kg patient needs 1.3 g of protein per kg a day. The tube feed contains 40 g of protein per litre and runs at 60 mL/h for 18 hours a day. How many grams of extra protein ΔP a day are still needed? Round to one decimal place.

77 kg1.3 g/kg/day40 g/L60 mL/h · 18 h
ΔP = g/day
4.Medium
1.5 kcal/mL76% free water75 mL/hevery 4 h68 kg · 35 mL/kg/day24 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). A 68 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 75 mL/h for 24 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.

68 kg35 mL/kg/day76%75 mL/h · 24 hevery 4 h
V = mL
5.Hard
24 hdextrose 15%1200 mLamino acids 5%1200 mLlipid 10%250 mL · 1.1 kcal/mLdextrose 3.4 kcal/gamino acids 4 kcal/gE = ? kcal

Practice exercise (made-up values, not clinical guidance). Over 24 hours a patient receives 1200 mL of parenteral nutrition with final concentrations of 15% dextrose and 5% amino acids, plus 250 mL of 10% lipid emulsion (1.1 kcal/mL). Find the total energy E the patient receives in kcal per day. Round to the nearest whole number.

1200 mLdextrose 15%amino acids 5%lipid 250 mL · 1.1 kcal/mL
E = kcal/day
6.Hard
12.5 kgdextrose 12.5%50 mL/hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). A child who weighs 12.5 kg receives 12.5% dextrose at 50 mL/h. Find the glucose infusion rate GIR in mg/kg/min. Round to two decimal places.

12.5 kg12.5%50 mL/h
GIR = mg/kg/min

Answer key

  1. 1. P = 49 g/day
  2. 2. E = 1344 kcal/day
  3. 3. ΔP = 56.9 g/day
  4. 4. V = 169 mL
  5. 5. E = 1127 kcal/day
  6. 6. GIR = 8.33 mg/kg/min

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