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The following pulmonary function results were reported for a 25-year-old female. Measured Predicted FVC (L) 3.00 4.00 FEV1 1.60 3.20 TLC 4.00 5.00 These results are consistent with a(n) :


A) Obstructive process
B) Restrictive pattern
C) Extrathoracic lesion
D) Mixed pattern

E) B) and C)
F) A) and C)

Correct Answer

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A 20-year-old female completes a spirometry test with the following data: Measured Predicted LLN FVC (L) 3.00 3.50 3.10 FEV1 (L) 2.50 2.80 2.70 Based on the age of the patient and spirometry results,which of the following is possible if a fixed percent is used for the interpretation of the spirometry results?


A) False-negative result
B) False-positive result
C) True-negative result
D) True-positive result

E) All of the above
F) A) and C)

Correct Answer

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Which of the following variables is used to determine the presence of obstruction in spirometry measurements?


A) FEF25%-75%
B) FEV1/FVC%
C) PEF
D) FEV1

E) A) and D)
F) B) and C)

Correct Answer

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B

A 25-year-old male who is 72 inches tall has the following spirometry results: A 25-year-old male who is 72 inches tall has the following spirometry results: These findings show the presence of which of the following? A) Normal lung function B) Severe obstructive disease C) Reversible airway obstruction D) Incorrectly selected predicted values These findings show the presence of which of the following?


A) Normal lung function
B) Severe obstructive disease
C) Reversible airway obstruction
D) Incorrectly selected predicted values

E) A) and B)
F) None of the above

Correct Answer

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After completing a single-breath diffusing capacity,which of the following comments would assist with the interpretation process?


A) Four trials were completed after several false starts.
B) The VC was performed an hour before the DLCO.
C) The exhalation time was 2 seconds.
D) Was unable to achieve an IVC at 85% of the SVC.

E) None of the above
F) A) and B)

Correct Answer

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The following results are obtained on a 35-year-old Caucasian female: FVC 3.40 L FEV1 2.04 L What should the technologist do next?


A) Report the results.
B) Perform an exercise evaluation.
C) Administer a bronchodilator.
D) Recommend pulmonary rehabilitation.

E) A) and D)
F) B) and C)

Correct Answer

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The following pulmonary function results were reported for a 25-year-old female. Measured Predicted FVC (L) 3.00 4.00 FEV1 1.60 3.20 TLC 5.50 5.00 These results are consistent with a(n) :


A) Obstructive process
B) Restrictive pattern
C) Extrathoracic lesion
D) Mixed pattern

E) None of the above
F) B) and D)

Correct Answer

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The following pulmonary function results were obtained on a patient with COPD: Measured Predicted FEV1 1.0 L 4.0 L FVC 3.5 L 5.0 L The results are consistent with _____ obstruction.


A) Moderate
B) Moderately severe
C) Severe
D) Very severe

E) All of the above
F) B) and D)

Correct Answer

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D

The following pulmonary function results were obtained on a patient with asthma: Measured Predicted FEV1 1.0 L 2.0 L FVC 2.5 L 2.6 L The results are consistent with _____ obstruction.


A) Moderate
B) Moderately severe
C) Severe
D) Very severe

E) None of the above
F) A) and B)

Correct Answer

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The following pulmonary function results were obtained: TLC 3.0 L 70% predicted DLCO 12.0 55% predicted FEV1 2.0 L FVC 2.3 L The results are consistent with:


A) Interstitial lung disease
B) Emphysema
C) Asthma
D) Neuromuscular disease

E) A) and C)
F) All of the above

Correct Answer

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For Asian subjects,one should multiply the predicted FEV1 and FVC by which of the following correction factors?


A) 0.25
B) 0.75
C) 0.88
D) 1.15

E) B) and C)
F) A) and D)

Correct Answer

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C

Which of the following predicted sets is recommended for use in North America for spirometry?


A) ECCS
B) ATS
C) NHANES III
D) ERS 1993

E) B) and D)
F) A) and B)

Correct Answer

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Which of the following tests are indicated when the DLCO is less than 60% of predicted?


A) Lung volumes
B) Exercise assessment
C) MIP/MEP
D) Spirometry

E) A) and D)
F) A) and C)

Correct Answer

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The following pulmonary function results were obtained: TLC 5.0 L 130% predicted DLCO 14.0 55% predicted FEV1 2.0 L FVC 3.5 L The results are consistent with:


A) Interstitial lung disease
B) Emphysema
C) Asthma
D) Neuromuscular disease

E) A) and C)
F) A) and D)

Correct Answer

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All of the following should be considered when selecting a reference set for your laboratory except:


A) Population
B) Testing protocol
C) Instrumentation
D) Percent predicted

E) B) and D)
F) A) and C)

Correct Answer

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A 5-year-old Caucasian child performs spirometry in the pulmonary function laboratory.The technologist should select which reference set?


A) NHANES III
B) Polgar
C) ERS 1993
D) Weng

E) C) and D)
F) A) and D)

Correct Answer

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The technologist records the demographic information for a 40-year-old performing lung volume measurements.An error in which of the following variables will have the greatest influence on the predicted value?


A) Sex
B) Race
C) Height
D) Weight

E) B) and D)
F) A) and C)

Correct Answer

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When interpreting lung function measurements,which test should the technologist recommend if the FEV1/FVC% and VC are reduced?


A) Lung volumes
B) MIP/MEP
C) Six-minute walk
D) Airway resistance

E) None of the above
F) All of the above

Correct Answer

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An individual with asthma has the following FEV1 results: Pre-bronchodilator FEV1 3.25 L Post-bronchodilator FEV1 3.50 L These results are consistent with a _____ response.


A) Positive
B) False-negative
C) False-positive
D) Negative

E) All of the above
F) C) and D)

Correct Answer

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Spirometry has been ordered for a 30-year-old male.The technologist should select the spirometry predicted reference set by asking the:


A) Patient's race
B) Weight
C) Height
D) Body surface area

E) A) and D)
F) All of the above

Correct Answer

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