Rc224 Exam #3

Front 1

Pulmonary function studies are done for what measurements?

Back 1

Lung volume and capacities
Pulmonary diffusion capacity
Forced expiratory flow rates

Front 2

What are typically found in response to a restrictive lung disorder?

Back 2

Decreased lung compliance
Increased ventilatory rate
Decreased tidal volume

Front 3

A special indirect measurement procedure must be done to find which volume?

Back 3

Residual Volume

Front 4

Overall characteristics of pulmonary funtion testing results on a patient with obstructive lung disease include that:

Back 4

FEV1 and FEV1% are both reduced.

Front 5

the FEF 25%/75% is used to evaluate:

Back 5

flow in medium-size to small airways.

Front 6

The pulmonary diffusion capacity of carbon momoxide test is used to:

Back 6

assess the alveolar-capillary membrane

Front 7

characteristics that influence pulmonary function include all of the following, except:

Back 7

Diet

Front 8

Which of following methods allows indirect measure of RV and capacities containing it?

Back 8

Helium dilution

Front 9

which of the following methods is based on Boyle's law?

Back 9

body plethysmography

Front 10

an abnormally increased FRC represents which of the following?

Back 10

Hyperinflation

Front 11

which of the following classifications is associated with increased FRC and RV?

Back 11

obstructive

Front 12

which of the following is the major feature of pulmonary obstuctive disease?

Back 12

Reduced maximum expiratory flow rate

Front 13

which of the following mechanisms primarily explains the increased WOB in obstructive diseases?

Back 13

Increased airway resistance

Front 14

Which of the following is associated with reduced lung volumes and capacities?

Back 14

Restrictive

Front 15

Which of the following mechanisms primarily explains the explaings the increased WOB in restrictive diseases?

Back 15

Loss of compliance

Front 16

which of the following concepts apply to FVC?

Back 16

1,2,3

Front 17

What is the normal FEV in healthy adults?

Back 17

83%

Front 18

which of the following does the MVV assess?

Back 18

1,2,3,4

Front 19

The general purpose of performing pulmonary function tests (FFTs) is to determine:

Back 19

all of the above

Front 20

The primary instrument used in performing PFTs has been the:

Back 20

spirometer

Front 21

The most important predictor of lung size and expected PFT values is:

Back 21

height

Front 22

Restrictive lung disorders are characterized by a reduction of :

Back 22

lung volumes.

Front 23

the vital capacity (VC) is equal to:

Back 23

IC+ERV

Front 24

TLC-VC equals:

Back 24

RV

Front 25

IC is equal to:

Back 25

VC-ERV

Front 26

FRC is equal to:

Back 26

TLC-IC

Front 27

TLC is equal to:

Back 27

VC+FRC-ERV

Front 28

VC is equal to:

Back 28

IC-IRV

Front 29

VC is equal to:

Back 29

IC+ERV,IRV+TV=ERV

Front 30

The volume of air inhaled and exhaled during quiet breathing is known as the:

Back 30

tidal volume

Front 31

Which of the following methods is not usually used to measure the RV or FRC?

Back 31

Volume-time spirometry

Front 32

A loss of elasticity of lung tissue will cause the FRC to:

Back 32

increase

Front 33

The MVV test is usually performed over a period of:

Back 33

12 to 15 seconds.

Front 34

When performing PFT studies, a positive response to a bronchodilator is most often seen in:

Back 34

Asthma

Front 35

Carbon monoxide has how many times greater binding power to hemoglobin than oxygen?

Back 35

200 times

Front 36

which of the following medications is most commonly used during bronchoprovoaction testing?

Back 36

methacholine

Front 37

A number of studies have found that NPPV is currently considered a standard of care to treat in selected patients.

Back 37

COPD exacerbations

Front 38

When patients with CPE do not respond to conventional phamacological and O2 therapy, the applicaton of mask CPAP with O2 has not been found to be effective in expanding fluid -filled alveoli.

Back 38

True

Front 39

Symptoms of chronic hypoventilation that may be indications for NPPV include all of the following except.

Back 39

daytime anxiety

Front 40

To what does the range or limit of a device measureing ability refer?

Back 40

Capacity

Front 41

How closely a device measures a certain reference value refers to what quality?

Back 41

accuracy

Front 42

what would you use to determine the accuracy fo a water-sealed spirometer in measuring lung volumes?

Back 42

calibrated 3-L syringe

Front 43

what is the american thoracic society standard for volumetric accuracy of spirometers?

Back 43

3% error, or within 50ml of the reference value

Front 44

what is the most common measurement of pulmonary mechanics during pulmonary function testing ?

Back 44

forced vital capacity

Front 45

A patient has a vital capacity of 4200ml, a functional residual capacity (FRC) of 3300ml, and an expiratory reserve volume (ERV) of 1500 ml. What is the residual volume (RV)?

Back 45

1800ml

Front 46

What conclusions can you draw from the following data, obtained on a 32-year-old 53 -kg woman admitted for elective surgery?

Back 46

Results indicate a mild restrictive lung disorder

Front 47

Which of the following devices is considered to be the first electrically powered negative pressure ventilator?

Back 47

the iron lung

Front 48

Your patient has acute pulmonary edema from left heart failure. which therapy should be tried first?

Back 48

continuous positive airway pressure (CPAP)

Front 49

Which of the following finding is NOT an exclusion criterion for using noninvasive positive-pressure ventilation (NPPV) in the patient with acute respiratory failure?

Back 49

low risk of aspiration

Front 50

Which of the following is a petential risk of overtightening the straps of the mask?

Back 50

tissue necrosis

Front 51

Which of the following ventilators is not used for noninvasive positive-pressure ventilations (NPPV)?

Back 51

Negative pressure

Front 52

Which of the following are characteristics of most noninvasive ventilators?

Back 52

blower driven

Front 53

Which of the following is required for noninvasive ventilators to work properly?

Back 53

leak

Front 54

What strategy should be used when the patient complains of nasal congestion during the use of a nasal mask for noninvasive positive-pressure ventilation (NPPV)?

Back 54

add a heated humidifier.

Front 55

What physiologic effect will raising the expiratory positive airway pressure have in the patient receiving noninvasive positive-pressure ventilation?

Back 55

no answer on this one deanna just question mark?

Front 56

Which of the following is likely to occure when decreasing the expiratory positieve airway pressure in the patient being ventilated using noninvasive positive-pressure ventilation?

Back 56

Increased tidal volume