Physiology Figures

Question 1

Normal l/min of oxygen exchanged

Answer 1

250ml/min

Question 2

normal l/min of Co2 exhanged

Answer 2

200l/min

Question 3

Partial pressure of oxygen in normal lung

Answer 3

100

Question 4

partial pressure of co2 in normal lung

Answer 4

40

Question 5

Partial pressure of co2 and o2 in hypoventilating lung

Answer 5

c02 - 100

02- 30

Question 6

Partial pressure of co2 and o2 in hyperventilating lung

Answer 6

o2- 120

co2- 20

Question 7

normal FEV

Answer 7

4 L

Question 8

normal FVC

Answer 8

5.0

Question 9

typical FEV and FVC in obstructive

Answer 9

FEV - 1.3 (reduced)
FVC - 3.1

CHANGE IN RATIO

Question 10

typical FEV and FVC in restrictive

Answer 10

FEV 2.8
FVC 3.1

NO REAL CHANGE IN RATIO

Question 11

Compliance of human lung

Answer 11

200ml.cm water-1

Question 12

surfactant starts being made inutero

Answer 12

25 weeks

Question 13

Surfactant stops being made inutero

Answer 13

36 weeks

Question 14

partial pressure of co2 in alveoli

Answer 14

40

Question 15

partial pressure of co2 in pulmonary circulation

Answer 15

46

Question 16

How much oxygen is dissolved per litre of plasma

Answer 16

3ml

Question 17

how much oxygen can 1 gram of Hb combine with

Answer 17

1.39mlo2

Question 18

What is the oxygen carrying capacity of the blood

Answer 18

20.8 ml o2 per 100 ml blood