Practical lab classes-breathing

Question 1

What is tidal volume?

Answer 1

The amount of air that moves in or out of the lungs with every respiratory cycle

Question 2

What is inspiratory reserve volume?

Answer 2

The additional air that could be inspired at the end of a normal/tidal inspiration

Question 3

What is expiratory reserve volume?

Answer 3

The additional air (above tidal volume) that could be expired at the end of a normal expiration

Question 4

What is vital capacity?

Answer 4

The volume of exhaled air after a maximal inhalation

Question 5

What can be added together to calculate vital capacity?

Answer 5

Inspiraory reserve volume, tidal volume and expiratory reserve volume

Question 6

What is IRV?

Answer 6

Inspiratory Reserve Volume

Question 7

What is TV?

Answer 7

Tidal Volume

Question 8

What is ERV?

Answer 8

Expiratory reserve volume

Question 9

What is VC?

Answer 9

Vital capacity

Question 10

What is residual volume?

Answer 10

The volume of air remaining in the lungs after a maximal forceful expiration

Question 11

What are the two types of spirometry tests?

Answer 11

Forced vital capacity and maximum volunrary ventilation

Question 12

What is MVV (abbreviation)?

Answer 12

Maximal Voluntary Ventilation

Question 13

What is MVV (definition)?

Answer 13

Maximum volume of air that can be moved by voluntary effort in one minute

Question 14

What is PEF (abbreviation)?

Answer 14

Peak expiratory flow

Question 15

What does RV mean?

Answer 15

Residual volume

Question 16

What do the results of a flow flow volume loop contain?

Answer 16

PEF, FRV1 and FVC

Question 17

What does total lung capacity equal?

Answer 17

IRV+TV+ERV+RV

Question 18

How is a forced vital capacity test done?

Answer 18

Maximum inhalation, insert mouthpiece, maximum forceful inhalation for 6 sec then a big breath in

Question 19

How is a MVV done?

Answer 19

Maximally breathe in and out for 15 seconds with a mouthpiece in

Question 20

What is the MVV of males?

Answer 20

80-200L/min

Question 21

What is the MVV of females?

Answer 21

60-160 L/min

Question 22

What are douglas bags used for?

Answer 22

Collecting expired air at rest or at key stages during exercise

Question 23

What gas is higher in concentration in expired air than inspired air?

Answer 23

CO2

Question 24

What gas is lower in concentration in expired air than inspired air?

Answer 24

O2

Question 25

What is Boyle's law?

Answer 25

Pressure is inversely proportional to volume (of gases)

Question 26

What is Charles' law?

Answer 26

Temperature is proportional to volume (of gases)

Question 27

What effect does temperature have on gas pressure due to water vapour?

Answer 27

It causes the gas pressure to increases as the temp increases

Question 28

What is ATPS?

Answer 28

Ambient Temperature and Pressure Saturated with Water Vapour

Question 29

What is SWVP?

Answer 29

Saturated Water Vapour Pressure

Question 30

What is STPD?

Answer 30

Standard Temperature and Pressure for a Dry Gas

Question 31

What is the Haldane Transformation?

Answer 31

The assumption that only O2 and CO2 are exchanged in the lungs

Question 32

What is assumes about non O2/CO2 gases in the Haldane Transformation?

Answer 32

They have the same volume in both inspiratory and expiratory gases

Question 33

What is the haldane transformation use to caculate?

Answer 33

VI from VE

Question 34

What property does N2 have that means the mass inspired is the same as expired?

Answer 34

It is metabolically inert

Question 35

What is FIN2 in the haldane transformation?

Answer 35

Fraction inspired nitrogen

Question 36

What is VI in the haldane transformation?

Answer 36

Total volume inspired

Question 37

What is FEN2 in the haldane transformation?

Answer 37

Fraction expired nitrogen

Question 38

What is VE in the haldane transformation?

Answer 38

Total volume expired

Question 39

How can N2% be calculated for the haldane transformation?

Answer 39

100%-O2%-CO2%