Ex 2: Calculations

Question 1

% Desirable Body Weight

Answer 1

Current Body weight/ Desirable Body weight x 100

Question 2

% Usual Body Weight

Answer 2

Current weight/ Usual weight x 100%

Question 3

% Weight loss change

Answer 3

Usual wt - current wt/ usual wt x 100%

Question 4

Hamwi Formula Males (DBW)

Answer 4

106 Lbs for 5 feet plus 6 lbs per inch over 5ft; or 106 lbs minus 6 lbs per inch under 5 ft.

Question 5

Hamwi Formula Females (DBW)

Answer 5

100 lbs for every 5 feet plus 5 lbs per inch over 5 ft or 100 lbs minus 5 lbs per inch under 5 feet.

Question 6

Conversion factor lbs to kg

Answer 6

0.4545

Question 7

Nitrogen Balance Formula

Answer 7

[Protein Intake/6.25] - [24 hour UUN + 4]

Question 8

Modification for fever kcal increase

Answer 8

145 kcal per degree

Question 9

Fluid needs: Adults kcal

Answer 9

1ml/kcal

Question 10

Fluid needs: Children kcal

Answer 10

1.5ml/kcal

Question 11

Fluid needs: Adults kg

Answer 11

30-35 ml/kg

Question 12

Fluid needs: Children kg

Answer 12

150 ml/kg

Question 13

Fever RMR Adjustment

Answer 13

7% per degree celsius

Question 14

Fluid adjustment for fever

Answer 14

increase 150ml/degree