Pulm Normal Values

Question 1

Normal [HCO₃^-]_a =

Answer 1

Normal [HCO₃^-]_a​ = 24 mEq/L

(Concentration of HCO₃^- in the arteries)

Question 2

Normal P_vO2 =

Answer 2

Normal P_vO2 = 40 mmHg (35-45 mmHg is normal)

(Partial pressure of O2 in the venous blood)

Question 3

Normal P_vCO2 =

Answer 3

Normal P_vCO2​ = 45 mmHg

(Partial pressure of CO2 in the venous blood)

Question 4

What is the normal P₅₀ for hemoglobin saturation?

Answer 4

27 mmHg

Question 5

Normal FRC ~ ______

Answer 5

Normal FRC ~ 2L

Question 6

Normal RV ~ ______

Answer 6

Normal RV ~ 1L

(Residual volume)

Question 7

Normal V_T =

Answer 7

Normal V_T​ = 500 mL

(Tidal volume)

Question 8

Normal V_D =

Answer 8

Normal V_D = 150 mL

(Anatomic dead space volume)

Question 9

Normal P_IP ~ ____ cm H2O

Answer 9

Normal P_IP​ ~ -5 cm H2O

(Intrapleural pressure)

Question 10

Nomal V̇_CO2 =

Answer 10

Nomal V̇_CO2 = 200 mL/min

Question 11

Nomal V̇_O2 =

Answer 11

Nomal V̇_O2 = 250 mL/min

Question 12

Normal TLC ~ _______

Answer 12

Normal TLC ~ 5 - 6 L

(~ 2*FRC)

Question 13

Normal Vital Capacity ~ _______

Answer 13

Normal Vital Capacity ~ 3.5 - 4.5 L