Respiratory Physiology - Parameters

Question 1

Tidal Volume

Answer 1

500 mL

Question 2

Expiratory Reserve volume (ERV):

Answer 2

1200 mL

Question 3

Inspiratory Reserve volume (IRV):

Answer 3

3100 mL

Question 4

Residual Volume (RV):

Answer 4

1200 mL

Question 5

FRC - Functional Residual Capacity :

Answer 5

2400 mL

ERV+RV

Question 6

TLC - Total Lung capacity :

Answer 6

6000 mL

all volumes combined

Question 7

Vital Capacity (VC):

Answer 7

4800 mL

TV+IRV+ERV

Question 8

Dead spaces volume:

Answer 8

150 mL

Question 9

Alveolar Ventilation:

Answer 9

4200 mL
Respiratory Rate x (Tidal volume - Dead space)
12 x (500 - 150)

Question 10

Intrapleural Pressure and Alveolar Pressure during Inspiration:

Answer 10

Intrapleural Pressure: -6.5 cmH2O

Alveolar Pressure - 1 cmH2O

Question 11

Intrapleural Pressure and Alveolar Pressure during End of Inspiration:

Answer 11

Intrapleural Pressure: -8 cmH2O

Alveolar Pressure: 0 cmH2O

Question 12

Intrapleural Pressure and Alveolar Pressure during Expiration:

Answer 12

Intrapleural Pressure: -6.5 cmH2O

Alveolar Pressure: + 1 cmH2O

Question 13

Intrapleural Pressure and Alveolar Pressure during

End of Expiration:

Answer 13

Intrapleural Pressure: -5 cmH2O

Alveolar Pressure: 0 cmH2O

Question 14

PO2 and PCO2 of alveolar gas :

Answer 14

PO2 : 100 mmHg

PCO2: 40 mmHg

Question 15

PO2 and PCO2 of Arteries :

Answer 15

PO2 : 95 mmHg

PCO2: 40 mmHg

Question 16

PO2 and PCO2 of Veins:

Answer 16

PO2 : 40 mmHg

PCO2: 46 mmHg

Question 17

Oxygen concentration of the Arterial system:

Answer 17

200 ml O2 / L

Question 18

Oxygen concentration of the Venous system:

Answer 18

150 ml O2 / L

Question 19

General Oxygen consumption in Resting state:

Answer 19

250 ml/min

Question 20

General Carbon Dioxide Production in Resting state:

Answer 20

210 ml/min