B4-037 Pulmonary Function Tests

Question 1

measures how fast and how much you can breathe out

Answer 1

spirometry

Question 2

flow volume loop: below x axis is

Answer 2

inspiratory effort

Question 3

flow volume loop: above x axis is

Answer 3

expiratory effort

Question 4

• 3 acceptable manuevers
• 2 largest FEV1 within 150 ml of each other

Answer 4

session complete

if not met, continue testing

Question 5

provides a measurement of FRC

Answer 5

plethysmography

Question 6

normal FEV1/FVC

Answer 6

.7-.8

Question 7

FEV1/VC is increased

Answer 7

restriction

Question 8

FEV1/VC <70%

Answer 8

obstructive

Question 9

common causes of obstructive pulmonary defect

2

Answer 9

• asthma
• COPD

Question 10

reduction in TLC below 5th percentile

Answer 10

restrictive

Question 11

TLC < 80%

Answer 11

restriction

Question 12

both FEV1/FVC
and TLC are decreased

Answer 12

mixed pulmonary defect

Question 13

Answer 13

excellent effort

Question 14

Answer 14

hesitating start

Question 15

Answer 15

submaximal effort

Question 16

Answer 16

early termination

Question 17

Answer 17

coughing

Question 18

Answer 18

subject briefly stopped exhaling

Question 19

Answer 19

obstructive pulmonary defect

Question 20

FEV1/VC <70%

Answer 20

obstruction

Question 21

2 main causes of obstructive defect

Answer 21

asthma
COPD

Question 22

TLC below 5th percentile

Answer 22

restrictive

Question 23

FVC reduced
FEV1/FVC normal

Answer 23

can infer restrictive, but only 58% of patient will be restricted

Question 24

Answer 24

restrictive

Question 25

TLC <80%

Answer 25

restriction

Question 26

TLC > 120%

Answer 26

hyperinflation

Question 27

is bronchodilator response capable of separating asthma and COPD?

Answer 27

no

Question 28

Answer 28

variable extrathoracic

Question 29

Answer 29

variable intrathoracic

Question 30

Answer 30

fixed

Question 31

what pulmonary function test can differentiate between asthma and empysema?

Answer 31

DLCO

Question 32

normal/elevated DLCO

Answer 32

asthma

Question 33

reduced DLCO

Answer 33

emphysema

Question 34

normal FEV1/FVC ratio

Answer 34

restrictive

Question 35

decreased FEV1/FVC

Answer 35

obstructive

Question 36

proportional reduction in both FEV1 and FVC

Answer 36

restrictive

Question 37

reduced FEV1/FVC increased DLCO

Answer 37

asthma | obstructive disease

Question 38

atopic asthma is a

Answer 38

type 1 hypersensitivity reaction

Question 39

# PFT is complete when afther 3 attempts, the two largest FVC **and** two largest FEV1 are within

Answer 39

150 ml of each other

Question 40

# PFT is complete when [...] sessions have been completed

Answer 40

8

Question 41

# PFT is complete when patient [...] more sessions

Answer 41

cannot complete

Question 42

can PFT give a specific diagnosis?

Answer 42

no

Question 43

plethysmography is used to calculate

Answer 43

FRC