Lung Volumes

Question 1

In mL, What is a normal Residual Volume?

Answer 1

1200ML

Question 2

Volume of gas that remains in the lungs after complete exhalation. This Vol cannot be exhaled from the lungs

Answer 2

Residual Volume

Question 3

Volume of alveolar gas that serves as oxygen reservoir during apnea

Answer 3

Residual Volume

Question 4

Volume of gas that can be forcibly inhaled after a tidal inhalation

Answer 4

Inspiratory Reserve Volume

Question 5

Amount of gas that enters and exits the lungs during tidal breathing

Answer 5

Tidal Volume

Question 6

The volume above residual volume where the small airways begin to close. The amount is variable.

Answer 6

Closing volume

Question 7

what is normal tidal volume

Answer 7

500 mL

Question 8

What is an average Expiratory reserve volume?

Answer 8

1100 mL

Question 9

Volume of gas that can be forcibly exhaled after a tidal exhalation

Answer 9

Expiratory Reserve Volume

Question 10

Which lung volumes make up the Total Lung Capacity (TLC)

Answer 10

IRV, Vt, ERV, RV (approx 5000 mL)

Question 11

Which Volumes make up the Vital Capacity (VC)?

Answer 11

IRV+Vt+ERV (approx. 4500 mL)

Question 12

Which volumes make up the Functional Residual capacity?

Answer 12

ERV and RV (approx. 2300)

Question 13

Which volumes make up the inspiratory capacity?

Answer 13

IRV and Vt (approx. 3500)

Question 14

Which two volumes make up the closing capacity?

Answer 14

RV and CV

Question 15

What is the value for normal TV/Vt?

Answer 15

6-8 mL/kg = approx 500 mL