Deck 3: Pulmonary Function Study Assessments

Question 1

All of the following are true of the peak expiratory flow rate test EXCEPT it:

A) is effort dependent.
B) is taken from the FVC test results.
C) is taken from the MVV test results.
D) assesses large upper airways.

Answer 1

is taken from the MVV test results.

Question 2

The FEF??%???% is used to evaluate:

A) flow in large airways.
B) restrictive lung disease.
C) maximum breathing effort.
D) flow in medium-size to small airways.

Answer 2

flow in medium-size to small airways.

Question 3

The respiratory therapist is called to the neurologic care unit to assess the muscle strength of a patient diagnosed with myasthenia gravis. Which of the following tests should the therapist recommend to assess respiratory muscle strength?

A) Maximum inspiratory pressure (MIP)
B) Maximum inspiratory flow rate (MIFR)
C) Maximum expiratory flow rate (MEFR)
D) Vital capacity (VC)

Answer 3

Maximum inspiratory pressure (MIP)

Question 4

A respiratory therapist has just performed a pulmonary function study and notes that the results show obstructive lung disease with a decreased DLCO value. Which of the following is the best interpretation of these results?

A) The patient has pulmonary fibrosis.
B) The patient has asthma.
C) The patient has cystic fibrosis.
D) The patient has emphysema.
E) The patient has chronic bronchitis.

Question 5

A special indirect measurement procedure must be done to find which of the following?

A) Inspiratory reserve volume
B) Residual volume
C) Expiratory reserve volume
D) Inspiratory capacity

Question 6

Pulmonary function studies are done for all of the following measurements EXCEPT:

A) the patient's carbon monoxide level.
B) lung volumes and capacities.
C) pulmonary diffusion capacity.
D) forced expiratory flow rates.

Question 7

Total lung capacity is composed of all of the following EXCEPT:

A) IRV.
B) IC.
C) ERV.
D) RV.

Question 8

A patient has restrictive lung disease. In response to this, which of the following are typically found?
1) Decreased lung compliance
2) Increased ventilatory rate
3) Increased tidal volume
4) Decreased ventilatory rate

A) 3, 4
B) 2, 3
C) 1, 2
D) 1, 3, 4

Question 9

Which of the following forced vital capacity test times should be interpreted as normal?

A) Less than 4 seconds
B) 4 to 6 seconds
C) 6 to 8 seconds
D) 8 to 10 seconds

Question 10

The respiratory therapist is performing a pulmonary function study on a patient who has periodic symptoms of asthma. The pulmonary function results are within normal limits. What further testing can the therapist recommend to aid in either confirming or negating the possible diagnosis?

A) Inhaled methacholine challenge testing
B) Body plethysmography
C) Inhaled digitalis
D) Warm, humid air challenge

Question 11

In response to a restrictive lung disorder, which of the following is typically found?
1) Decreased lung compliance
2) Increased ventilatory rate
3) Decreased tidal volume
4) Decreased lung rigidity

A) 1
B) 2, 3
C) 2, 3, 4
D) 1, 2, 3

Question 12

The pulmonary diffusion capacity of the carbon monoxide test is used to:

A) assess the patient's blood carbon monoxide level.
B) remove carbon monoxide from the patient's blood.
C) measure the residual volume.
D) assess the alveolar-capillary membrane.

Question 13

Overall characteristics of pulmonary function testing results on a patient with obstructive lung disease include that the FEV₁:

A) is reduced and FEV1% is normal.
B) and FEV1% are both increased.
C) and FEV1% are both reduced.
D) is increased and FEV1% is decreased.