Math Concepts

Question 1

Ideal Body Weight

Answer 1

Male: W= 50+ (H-60) x 2.3
Female: W= 45+(H-60) x 2.3
H=Inches W=Kg

Question 2

Body Surface Area

Answer 2

BSA= (H^.725) x (W^.425) x 0.007184

H=cm, W=kg, BSA=m^2

Question 3

Body Mass Index

Answer 3

BMI= W/H^2

W=Kg, H=m

Question 4

Endotracheal Tube Volume

Answer 4

V= 3.14 x r^2 x H

Question 5

Ohms law

Answer 5

V=IR

Question 6

Power

Answer 6

P=IV

P=Watts

Question 7

Oxygen Consumption

Answer 7

V02= W^.75 x 10

Question 8

CO2 Production

Answer 8

VCO2= VO2 x 0.8

Question 9

Nasal Canula Supplemental Oxygen

Answer 9

For every additional liter of oxygen supplied w/ nasal canula, add 3% to the FiO2

Question 10

Oxygen Content

Answer 10

Co2= (PaO2 x 0.0031) + (1.36x [Hb] x SaO2)

Question 11

Functional Residual Capacity

Answer 11

Tidal Volume - Anatomical Dead Space

Question 12

Alveolar Ventilation

Answer 12

Va= (Vt-Vdanat) x Freq

Question 13

Anatomical Dead Space

Answer 13

1 ml/lb or 2.2 ml/kg

Question 14

Compliance

Answer 14

C= V/P

Question 15

Resistance

Answer 15

P/Q

Question 16

Time Contant

Answer 16

V/ change in V, RC