Interpretation of Pulmonary Function Tests: Spirometry
Practice Test
Spirometry Test: CASE QUESTIONS & ANSWERS
Please choose the single best spirometry interpretation from the list of options that follows. Flow volume loops and time volume plots for each case are available if desired. Each answer may be appear once, more than once, or not at all. Reference values for FEV1 and FVC are predicted from the equations of Morris. The FEV1/FVC reference values are the lower limit of normal as defined by Crapo.
A 75 year old female has a history of dyspnea and palpitations.
Meas
Ref
%Pred
FVC
2.62
2.82
93
FEV1
1.45
1.98
73
FEV1/FVC
55
70
FEF25-75
0.43
2.20
20
PEF
4.50
5.48
82
Multiple-Choice Answers for Case 1
1. normal 2. normal, but reduced midrange flows suggest possible small airways disease 3. mild to moderate obstruction 4. severe obstruction 5. severe obstructive ventilatory defect, cannot exclude a concomitant restrictive defect 6. restrictive ventilatory defect; lung volumes necessary for confirmation 7. flow volume loop suggests a variable extrathoracic airway obstruction 8. flow volume loop suggests a fixed upper airway obstruction 9. uninterpretable, does not meet acceptability criteria
A 66 year old female complains of cough after dust exposure.
2.58
85
1.79
1.85
97
81
72
1.82
2.23
5.67
5.20
109
Multiple-Choice Answers for Case 2
A 53 year old female has a history of chest tightness.
5.08
4.94
103
2.66
3.58
74
52
1.40
3.47
40
6.49
9.10
71
Multiple-Choice Answers for Case 3
A 55 year old male is evaluated preoperatively for cataract surgery.
4.60
0.92
3.33
28
50
0.28
3.28
9
3.82
8.55
45
Multiple-Choice Answers for Case 4
1. normal 2. normal, but reduced midrange flows suggest possible small airways disease 3. mild to moderate obstruction 4. severe obstruction 5. Severe obstructive ventilatory defect, cannot exclude a concomitant restrictive defect 6. restrictive ventilatory defect; lung volumes necessary for confirmation 7. flow volume loop suggests a variable extrathoracic airway obstruction 8. flow volume loop suggests a fixed upper airway obstruction 9. uninterpretable, does not meet acceptability criteria
A 66 year old male retired firefighter presents for wheezing with exertion.
2.78
2.75
101
1.90
100
69
0.95
2.35
4.82
5.45
88
Multiple-Choice Answers for Case 5
A 75 year old female is pre-operatively evaluated for mastectomy.
3.66
4.39
83
1.03
2.87
36
65
0.33
2.48
13
4.29
8.33
Multiple-Choice Answers for Case 6
A 65 year old male complains of dyspnea after mitral valve replacement.
3.00
4.79
63
2.54
77
3.25
2.97
9.12
8.92
102
Multiple-Choice Answers for Case 7
A 38 year old female complains of wheezing on exertion.
3.54
2.30
2.77
78
2.15
4.20
51
2.39
6.25
38
Multiple-Choice Answers for Case 8
A 26 y.o. woman with chronic pelvic pain complains of shortness of breath.
4.11
4.34
95
94
80
3.21
3.85
5.63
7.06
Multiple-Choice Answers for Case 9
A 69 year old male has a chronic cough.
4.09
4.25
96
1.95
2.88
68
48
0.48
2.65
18
6.27
8.06
Multiple-Choice Answers for Case 10
A 70 year old male with a complaint of dyspnea after eating.
56
.85
1.75
49
61
0.37
2.11
1.30
5.10
25
Multiple-Choice Answers for Case 11
A 60 year old female is evaluated for dyspnea on exertion.
3.02
3.41
1.23
2.53
41
0.41
15
3.95
6.10
Multiple-Choice Answers for Case 12
Click here or the Next Page link below to view the answer key for this Practice Test.
** If you would like to keep a record of this practice test, print this page ** ** Once you leave this site your answers will be reset **
Next Page | Title Page