pft quiz 3

Question 1

When exhaling during a FVC the exhale should be greater than or equal to ______ seconds.

Answer 1

6 seconds

Question 2

If the exhale is less than ______ seconds in a FVC maneuver this would indicate obstructive diease.

Answer 2

3 seconds

Question 3

This forced vital capacity measurement of FEF 200-1200 is concerned with large/small airways.

Answer 3

The FEF 200-1200 is looking at obstruction in large airways

Question 4

When measuring FVC what is the range for normal when identifying your reference range?

Answer 4

80-120

Question 5

T or F: FVC should equal SVC with normal lungs.

Answer 5

True

Question 6

When you have obstructive lung conditions the FVC will be less than/greater than SVC.

Answer 6

Less than

Question 7

When looking for obstructive conditions you will measure flows or volumes?

Answer 7

flows

Question 8

What is the maximum amount of exhale the machine will allow?

Answer 8

15 seconds

Question 9

What is the amount of exhale a patient should have?

Answer 9

6 seconds

Question 10

SVC is an important measurement in identifying obstructive or restrictive disease?

Answer 10

Restrictive

Question 11

Patient instructions: take a maximum inspiration followed by a maximum exhalation without force describes instructions for coaching for which measurement test?

Answer 11

SVC

Question 12

SVC provides important volumes or flows in assessing the condition of lungs?

Answer 12

SVC provides volumes

Question 13

How do we measure indirect values for a patient lungs or what type of maneuver is used?

a. FVC
b. SVC
c. FEF
d. Vt

Answer 13

b. SVC

Question 14

Name the measurements we obtain indirectly.

Answer 14

RV, FRC, TLC

Question 15

Name the lung measurements we are able to obtain by direct measurement.

Answer 15

IC, IRV, ERV, Vt, VC

Question 16

A lung ______ is equal to 2 or more lung volumes.

Answer 16

A lung capacity is 2 or more lung volumes

Question 17

SVC is important in obtaining measurements for restrictive or obstructive disease?

Answer 17

restrictive

Question 18

Maximum amount of air inspired following normal inspiration which is included in a SVC maneuver describes which procedure?

a. TLC
b. IRV
c. IC
d. Vt

Answer 18

b IRV

Question 19

Normal breathing followed by maximum exhale which would include consistent resting describes which procedure?

a. ERV
b. IRV
c. Vt
d. PEF

Answer 19

a. ERV

Question 20

How many times should the ERV be measured to ensure a valid result?

Answer 20

At least two times and you use the largest measurement which come within 5% of each other

Question 21

T or F: ERV requires consistent resting

Answer 21

True

Question 22

T or F: The ERV is larger than VC

Answer 22

False, the ERV represents 25% of VC

Question 23

T or F: There is little variation with IC measurements within populations.

Answer 23

False

Question 24

_____ consists of normal exhalation & then a maximum inhale in which you observe a resting expiratory level ; while ______ is measuring maximum amount of air inspired following normal inspiration and is not very clinically significant

Answer 24

IC

IRV

Question 25

When you are measuring IC you should have 2 or 3 measurements within 5% for validity.

Answer 25

2 measurements

Question 26

Measured on inspiration or slow expiration; to measure inspiration exhale slowly/maximally followed by inhalation as deeply as possible which describes ________ maneuver.

Answer 26

maximally | VC

Question 27

T or F: VC can be measured on exhalation

Answer 27

T

Question 28

T or F: VC can be measured only on exhalation that is a maximum inhale followed by a maximum exhale

Answer 28

False; VC can be measured with inhalation or exhalation

Question 29

Vital Capacity is ______% of TLC

Answer 29

80%

Question 30

Define pulmonary mechanics: what condition can pulmonary mechanics used to identify?

Answer 30

The lungs ability to move large volumes of air quickly; obstruction

Question 31

Pulmonary mechanics values measure _______, a. volume b. flow c. diffusion d. shunting

Answer 31

a. flow

Question 32

``` One of the best indicators of obstructive disease includes: A. FEV1 B. FEV2 C. FEV3 D. FEV 0.5 ```

Answer 32

A. FEV1

Question 33

``` Average flow rate during mid portion of FVC is: A. FEV1 B. FEF 200-1200 C. FEF 25-75 D. ERV ```

Answer 33

C. FEF 25-75

Question 34

``` This value is associated with large airway obstruction measurements? A. FEV1 B. FEF 200-1200 C. FEF 25-75 D. ERV ```

Answer 34

B. FEF 25-75

Question 35

``` Decreased measurments of this value are associated with large airway obstruction? A. FEV1 B. FEF 200-1200 C. FEF 25-75 D. ERV ```

Answer 35

b. FEF 200-1200

Question 36

``` This measurement may appear normal in abnormal patients. A. FEV1 B. PEFR C. FEV 0.5 D. FVC ```

Answer 36

B. PEFR

Question 37

``` ______ is one of the best indicators of obstructive disease. A. PEFR B. FVC C. FEV1 D. SVC ```

Answer 37

A. FEV1

Question 38

T or F; The largest FEV1 does not always = largest FVC

Answer 38

True

Question 39

T or F: If your FVC = SVC then this indicates an obstructive condition.

Answer 39

False; When FVC = SVC then this indicates a normal lung pathology

Question 40

T or F: If your FEV1/FVC ratio is less than 70-75% this would indicate restrictive disease?

Answer 40

False; A FEV1/FVC ratio less than 70% is obstructive

Question 41

T or F: If your measurement includes any extrapolated time in the value then your measurement is invalid & must be discarded.

Answer 41

F: If your extrapolated value is less than 5% it would be considered valid

Question 42

T or F: The FVC should provide volumes rates that are smooth, continuous, & complete.

Answer 42

False, FVC provides flow rates that are smooth, continuous, complete

Question 43

T or F: FVC flow rates provide an important indicator for identification of obstructive disease.

Answer 43

True

Question 44

``` _______ is reported as volume but is a flow. A. PEFR B. FVC C. FEV1 D. SVC ```

Answer 44

C. FEV1

Question 45

What is a normal range for FEV/FVC ratio?

Answer 45

70-75% or better is normal for fev/fvc ratio

Question 46

List your ranges for FVC:

Answer 46

``` 80-120 normal 60-79 mild 50-59 moderate 30-49 severe Below 30 very severe FVC test ```

Question 47

A person may be clinically not normal but be ________ normal for their history.

Answer 47

Diagnostically

Question 48

``` If you have only flow rates and are looking at FVC only because these are the only tests available & when you look your FVC = SVC but the values are low this would imply: A. Normal spirometry test B. Obstructive C. Restrictive D. Both Restrictive & Obstructive ```

Answer 48

C. Restrictive

Question 49

``` When you look at a flow loop diagram and you see a scooped out or concave appearance on the expiration side this would imply? A. Normal B. Obstructive C. Restrictive D. Restrictive & Obstructive ```

Answer 49

B. Obstructive

Question 50

T or F: PFT tests are an invaluable tool and often are used in diagnosis of disease.

Answer 50

False; They do not diagnose only show lung pathology for interpretation;

Question 51

T or F: if a PFT test shows reduced FEV1 values & a history of cigarette smoking it would be appropriate to diagnose a patient with COPD.

Answer 51

False; the patient can only be shown to have an obstructive pattern, not diagnosed with COPD

Question 52

``` If you have a flow loop pattern that shows a skinny, tall pattern this is indicative of? A. Normal B. Obstructive C. Restrictive D. Restrictive & Obstructive ```

Answer 52

C. Restrictive

Question 53

What are the 3 main things that are evaluated in PFT testing?

Answer 53

Volumes Flows Diffusion

Question 54

T or F: You can have a Fev1/FVC ratio of greater than 70% and also have restrictive condition.

Answer 54

True

Question 55

A closed flow volume loop consists of what two maneuvers that are diagrammed?

Answer 55

Forced expiratory VC & forced inspiratory VC produces a full image of forced breathing

Question 56

T or F: Spirometry includes tests of pulmonary mechanics--the measurments of FVC, FEV1, several FEF values, FIF, & MVV.

Answer 56

T

Question 57

T or F: Pulmonary mechanics tests are invaluable when measuring restrictive conditions of the lungs.

Answer 57

F; they measure obstructive conditions

Question 58

What is the most common form or test of pulmonary mechanics used which can encompass a range of measurements while the patient is performing a maneuver?

Answer 58

FVC

Question 59

To exhibit validity how many FVC tests need to be performed?

Answer 59

3 acceptable maneuvers using the two largest measurments that vary by no more than .150 l

Question 60

T or F: the FVC trial should begin slowly from FRC as the patient builds momentum.

Answer 60

False; FVC should begin abruptly & without hesitation which would include a rapid inhalation to TLC from FRC

Question 61

A satisfactory rate of start is called ________ which is less than 5% from zero of FVC.

Answer 61

Extrapolated volume

Question 62

The ______ provides a range of important flow rates to measure obstructive diseases.

Answer 62

FVC

Question 63

On a flow volume graph this is the highest point.

Answer 63

PEFR