Calculations/Fluids

Question 1

1 lb = _____kg

1kg =_______ lb

Answer 1

0. 45 kg

2. 2 lb

Question 2

1 in = _____cm

1 cm = _____in

Answer 2

2. 54

0. 39

Question 3

BMI =

Answer 3

kg/m2

Question 4

Using height? for ft and in
Males: IBW =
Females: IBW =

Answer 4

50 kg + 2.3 kg for each inch over 5 feet.

45.5 kg + 2.3 kg for each inch over 5 feet

Question 5

Using height in cm
Male:
Female:

Answer 5

Height in cm – 100

Height in cm - 105

Question 6

Estimated Blood Volume
› Men_______
› Women_______

Answer 6

75 mL/kg

65 mL/kg

Question 7

Blood – Allowable Blood Loss

›

Answer 7

ABL = [EBV x (Hi-Hf)]/Hi

Question 8

Hf

Answer 8

minimum allowable blood loss

Question 9

What is the mg/mL dosage of 4% lidocaine?

Answer 9

40mg/ml

Question 10

Hourly Maintenance Fluids =

Answer 10

[(1st 10 kg X 4 mL) + (2nd 10 kg X 2 mL) + (# remaining kg)]

NPO Deficit = Hourly Maintenance fluids X #hours NPO

Question 11

NPO Deficit = _______X_________

Answer 11

Hourly Maintenance fluids X #hours NPO

Question 12

› How to replace the NPO deficit:

Answer 12

› ½ given the first hour + hourly maintenance
› ¼ given the second hour + hourly maintenance
› ¼ given the third hour + hourly maintenance
› Then hourly maintenance

Question 13

Epinephrine
› 1:1000
› 1:10,000
› 1:100,000
› 1:200,000

Answer 13

1 mg/mL
0.1 mg/mL (100 mcg/mL)
0.01 mg/mL (10 mcg/mL)
0.005 mg/mL (5 mcg/mL)› 
1gm in 10,000 mL

Question 14

For the ratios, how do you get the concentration ?

Answer 14

1,000,000 divided by 2nd half of the ratio to get MCG/ML not MG