Human Phys 6.2

Question 1

A

Answer 1

Alveolar

Question 2

a

Answer 2

Arterial

Question 3

Tidal volume

Answer 3

Breathing normal (500mL)

Question 4

Inspiratory reserve volume

Answer 4

Breathing in as much air as possible (3000 mL)

Question 5

Expiratory reserve volume

Answer 5

Breathing out as much as possible (1200mL)

Question 6

Residual volume

Answer 6

The air left over in lungs after you have breathed out as much as you can (1200mL)

Question 7

Lung capacity

Answer 7

2 or more lung volumes added together

Question 8

Inspiratory capacity

Answer 8

Tidal volume + inspiratory reserve volume

Question 9

Vital capacity

Answer 9

IRV + TV + ERV

Question 10

Functional residual capacity

Answer 10

ERV + RV

Question 11

Total lung capacity

Answer 11

IRV + TV + ERV + RV

Question 12

Functional residual capacity line

Answer 12

Represents equilibrium point for your lungs (in between TV and ERV)

Question 13

Dead space

Answer 13

Volume of airways and lungs that does not participate in gas exchange

Question 14

Anatomical dead space

Answer 14

Volume of the conducting airways (150 mL of the 500mL of TV)

Question 15

Physiological dead space

Answer 15

Total volume of lungs that does not participate in gas exchange

Question 16

Minute ventilation

Answer 16

Total amount of air moved into and out of respiratory system per minute

Question 17

Respiratory rate of frequency

Answer 17

Number of breaths taken per minute

Question 18

Alveolar ventilation

Answer 18

TV - dead space (350mL)

Question 19

VC

Answer 19

Volume that can be expired after maximal inspiration

Question 20

FVC

Answer 20

Volume that can be forcibly expired after maximal inspiration

Question 21

FEV1

Answer 21

Volume that can be forcibly expired in 1 second

Question 22

How long does it take for VC to be forcibly expired?

Answer 22

3 seconds

Question 23

What is a normal FEV1/FVC ratio?

Answer 23

.8 (below indicates COPD)