Breathing

Question 1

Tidal volume

Answer 1

Normal breathing

Question 2

Inspiration reserve volume

Answer 2

Extra amount that can be breathed in after normal breathing

Question 3

Expiratory reserve volume

Answer 3

Extra air that can be exhaled from normal breathing

Question 4

Residual volume

Answer 4

Air left in lungs that cannot be expired. CO2 dense

Question 5

Vital capacity

Answer 5

TV + IRV + ERV

Question 6

Avg TV males?

Females?

Answer 6

500mL
400mL

10-20%

Question 7

Avg IRV

Answer 7

3100mL

60-70%

Question 8

Avg ERV

Answer 8

1200mL

25%

Question 9

Avg RS

Answer 9

1200mL

25%

Question 10

Avg TLC

Answer 10

6000mL

Question 11

Used to measure lung volume

Answer 11

Spirometer

Question 12

Period

Answer 12

Duration of each breathing cycle

Question 13

Max inspiration flow

Answer 13

Max rate of air movement during inhalation

Question 14

Mean TV x breathing rate =

Answer 14

Minute ventilation

Question 15

Factors that influence diffusion in lungs

Answer 15

Surface area
Diffusion distance
Concentration gradient

Question 16

During respiration O2 and CO2 cross these

Answer 16

Alcoholic and capillaries

Question 17

Respiratory control center is where?

Answer 17

Medulla

Question 18

What is closely associated with pH homeostasis

Answer 18

Release of CO2 during expiration