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pft quiz 3 > pft quiz 3 > Flashcards

pft quiz 3 Flashcards

1
Q

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

A

6 seconds

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2
Q

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

A

3 seconds

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3
Q

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

A

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

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4
Q

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

A

80-120

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5
Q

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

A

True

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6
Q

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

A

Less than

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7
Q

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

A

flows

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8
Q

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

A

15 seconds

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9
Q

What is the amount of exhale a patient should have?

A

6 seconds

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10
Q

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

A

Restrictive

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11
Q

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

A

SVC

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12
Q

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

A

SVC provides volumes

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13
Q

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

A

b. SVC

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14
Q

Name the measurements we obtain indirectly.

A

RV, FRC, TLC

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15
Q

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

A

IC, IRV, ERV, Vt, VC

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16
Q

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

A

A lung capacity is 2 or more lung volumes

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17
Q

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

A

restrictive

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18
Q

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

A

b IRV

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19
Q

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

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

A

a. ERV

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20
Q

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

A

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

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21
Q

T or F: ERV requires consistent resting

A

True

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22
Q

T or F: The ERV is larger than VC

A

False, the ERV represents 25% of VC

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23
Q

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

A

False

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24
Q

_____ 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

A

IC

IRV

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25
Q

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

A

2 measurements

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26
Q

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

A

maximally

VC

27
Q

T or F: VC can be measured on exhalation

A

T

28
Q

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

A

False; VC can be measured with inhalation or exhalation

29
Q

Vital Capacity is ______% of TLC

A

80%

30
Q

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

A

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

31
Q

Pulmonary mechanics values measure _______,

a. volume
b. flow
c. diffusion
d. shunting

A

a. flow

32
Q 
One of the best indicators of obstructive disease includes:
A.  FEV1
B.  FEV2
C.  FEV3
D.  FEV 0.5
A

A. FEV1

33
Q 
Average flow rate during mid portion of FVC is:
A.  FEV1
B.  FEF 200-1200
C.  FEF 25-75
D.  ERV
A

C. FEF 25-75

34
Q 
This value is associated with large airway obstruction measurements?
A.  FEV1
B.  FEF 200-1200
C.  FEF 25-75
D.  ERV
A

B. FEF 25-75

35
Q 
Decreased measurments of this value are associated with large airway obstruction?
A.  FEV1
B.  FEF 200-1200
C.  FEF 25-75
D.  ERV
A

b. FEF 200-1200

36
Q 
This measurement may appear normal in abnormal patients.
A.  FEV1
B.  PEFR
C.  FEV 0.5
D.  FVC
A

B. PEFR

37
Q 
\_\_\_\_\_\_ is one of the best indicators of obstructive disease.
A.  PEFR
B.  FVC
C.  FEV1
D.  SVC
A

A. FEV1

38
Q

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

A

True

39
Q

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

A

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

40
Q

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

A

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

41
Q

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

A

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

42
Q

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

A

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

43
Q

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

A

True

44
Q 
\_\_\_\_\_\_\_ is reported as volume but is a flow.
A.  PEFR
B.  FVC
C.  FEV1
D.  SVC
A

C. FEV1

45
Q

What is a normal range for FEV/FVC ratio?

A

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

46
Q

List your ranges for FVC:

A 
80-120 normal
60-79  mild
50-59  moderate
30-49 severe
Below 30 very severe FVC test
47
Q

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

A

Diagnostically

48
Q 
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
A

C. Restrictive

49
Q 
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
A

B. Obstructive

50
Q

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

A

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

51
Q

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.

A

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

52
Q 
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
A

C. Restrictive

53
Q

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

A

Volumes
Flows
Diffusion

54
Q

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

A

True

55
Q

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

A

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

56
Q

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

A

T

57
Q

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

A

F; they measure obstructive conditions

58
Q

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?

A

FVC

59
Q

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

A

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

60
Q

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

A

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

61
Q

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

A

Extrapolated volume

62
Q

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

A

FVC

63
Q

On a flow volume graph this is the highest point.

A

PEFR

pft quiz 3 (5 decks)

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