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.

New worksheetPractise online with hints

For teachers: free to print, copy and use in class. Every new worksheet has new values and its own answer key. A link to ExamProblems on your course page is appreciated.

Name: ____________________   Date: ____________

1.Easy
1.2 kcal/mL1500 mL/day5 × ? mL5× per day

Practice exercise (made-up values, not clinical guidance). A patient is prescribed 1500 mL of formula a day, given as 5 equal bolus feeds. What volume V is given in each bolus? Round to the nearest whole number.

1500 mL/day5 boluses
V = mL
2.Easy
1.2 kcal/mL1200 kcal/day8 × ? mL8× per day

Practice exercise (made-up values, not clinical guidance). A patient on bolus tube feeding needs 1200 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.

1200 kcal/day1.2 kcal/mL8 boluses
V = mL
3.Medium
50 kg171 cmmanIBW (Devine)%IBW = ?

Practice exercise (made-up values, not clinical guidance). A man is 171 cm tall and weighs 50 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.

171 cm50 kgman
%IBW = %
4.Medium
180 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 180 cm tall (1 in = 2.54 cm). Round to one decimal place.

180 cmman1 in = 2.54 cm
IBW = kg
5.Hard
24 hdextrose 17.5%1800 mLamino acids 3.5%1800 mL92 kg24 hGIR = ? mg/kg/min

Practice exercise (made-up values, not clinical guidance). A 92 kg adult receives 1800 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.

92 kg1800 mLdextrose 17.5%24 h
GIR = mg/kg/min
6.Hard
24 hdextrose 25%1800 mLamino acids 6%1800 mLlipid 20%250 mL · 2 kcal/mLN = protein/6.25NPC : N = ? : 1

Practice exercise (made-up values, not clinical guidance). Over 24 hours a patient receives 1800 mL of parenteral nutrition with final concentrations of 25% dextrose and 6% amino acids, plus 250 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.

1800 mLdextrose 25%amino acids 6%lipid 250 mL · 2 kcal/mL
NPC : N =

Answer key

  1. 1. V = 300 mL
  2. 2. V = 125 mL
  3. 3. %IBW = 75 %
  4. 4. IBW = 75 kg
  5. 5. GIR = 2.38 mg/kg/min
  6. 6. NPC : N = 117

Full step-by-step solutions: practise this topic on examproblems.com.