Breathing And Exchange Of Gases

Question 1

Tidal Volume (TV)

Answer 1

500mL
6000-8000mL per minute

Question 2

Inspiratory Reserve Volume (IRV)

Answer 2

2500-3000mL
2.5-3L

Question 3

Expiratory Reserve Volume (ERV)

Answer 3

1000-1100mL
1-1.1L

Question 4

Residual Volume (RV)

Answer 4

1100-1200 mL
1.1-1.2L

Question 5

Inspiratory Capacity (IC)

Answer 5

TV+IRC
3000-3500mL
3-3.5L

Question 6

Expiratory Capacity (EC)

Answer 6

TV+ERV
1500-1600mL
1.5-1.6L

Question 7

Functional Residue Volume (FRC)

Answer 7

ERV+RV
2100-2300mL
2.1-2.3L

Question 8

Vital Capacity (VC)

Answer 8

3500-4500mL
3.5-4.5L

Question 9

Total Lung Capacity (TLC)

Answer 9

VC+RV
5000-6000mL
5-6L

Question 10

Dead Space Volume

Answer 10

150mL

Question 11

PP(o2)

Atmospheric Air

Answer 11

159

Question 12

PP(o2)

Alveoli

Answer 12

104

Question 13

PP(o2)

Deoxygenated Blood

Answer 13

40

Question 14

PP(o2)

Oxygenated Blood

Answer 14

95

Question 15

PP(o2)

Tissues

Answer 15

40

Question 16

PP(co2)

Atmospheric Air

Answer 16

0.3

Question 17

PP(co2)

Alveoli

Answer 17

40

Question 18

PP(co2)

Deoxygenated Blood

Answer 18

45

Question 19

PP(co2)

Oxygenated Blood

Answer 19

40

Question 20

PP(co2)

Tissues

Answer 20

45

Question 21

% of o2 transported by RBC as oxyhaemogloblin

Answer 21

97%

Question 22

% of o2 carried in a dissolved state through plasma

Answer 22

3%

Question 23

% of co2 transported as bicarbonates

Answer 23

70%

Question 24

% of co2 carried in dissolved state through plasma

Answer 24

7%

Question 25

100ml of oxygenated blood can transport __mL of o2 and delivers only __mL

Answer 25

20, 5 (25%)

Question 26

Amount of o2 returned

Answer 26

75%