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
1.2 kcal/mL55 g protein/L70 mL/h18 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 18 hours a day. How many kilocalories E does the patient receive per day?

70 mL/h18 h/day1.2 kcal/mL
E = kcal/day
2.Easy
1.5 kcal/mL68 g protein/L95 mL/h18 h/dayE = ? kcal/day

Practice exercise (made-up values, not clinical guidance). A tube feed that provides 1.5 kcal/mL runs at 95 mL/h for 18 hours a day. How many kilocalories E does the patient receive per day?

95 mL/h18 h/day1.5 kcal/mL
E = kcal/day
3.Medium
161 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 161 cm tall (1 in = 2.54 cm). Round to one decimal place.

161 cmwoman1 in = 2.54 cm
IBW = kg
4.Medium
1.5 kcal/mL76% free water55 mL/hevery 6 h65 kg · 30 mL/kg/day24 h/dayV = ? mL

Practice exercise (made-up values, not clinical guidance). A 65 kg patient has a fluid goal of 30 mL/kg/day and receives all fluid through a feeding tube. The formula is 76% free water and runs at 55 mL/h for 24 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.

65 kg30 mL/kg/day76%55 mL/h · 24 hevery 6 h
V = mL
5.Hard
24 hdextrose 20%2000 mLamino acids 6%2000 mLlipid 20%100 mL · 2 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 2000 mL of parenteral nutrition with final concentrations of 20% dextrose and 6% amino acids, plus 100 mL of 20% lipid emulsion (2 kcal/mL). Find the total energy E the patient receives in kcal per day. Round to the nearest whole number.

2000 mLdextrose 20%amino acids 6%lipid 100 mL · 2 kcal/mL
E = kcal/day
6.Hard
24 hdextrose 10%2400 mLamino acids 6%2400 mLlipid 20%100 mL · 2 kcal/mLN = protein/6.25NPC : N = ? : 1

Practice exercise (made-up values, not clinical guidance). Over 24 hours a patient receives 2400 mL of parenteral nutrition with final concentrations of 10% dextrose and 6% amino acids, plus 100 mL of 20% lipid emulsion (2 kcal/mL). Find the non-protein kilocalorie to nitrogen ratio NPC : N (the number x in x : 1). Round to the nearest whole number.

2400 mLdextrose 10%amino acids 6%lipid 100 mL · 2 kcal/mL
NPC : N =

Answer key

  1. 1. E = 1512 kcal/day
  2. 2. E = 2565 kcal/day
  3. 3. IBW = 53.3 kg
  4. 4. V = 237 mL
  5. 5. E = 2040 kcal/day
  6. 6. NPC : N = 44

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