Obstructive & Restrictive Lung Diseases – Unit 4 Questions & Answers (2026)

Obstructive & Restrictive Lung Diseases – Unit 4
Questions & Answers (2026)




ASTHMA - correct answersThe NP notes that a patient's FEV1/FVC ratio is severely reduced. Which condition
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is most likely the patient's pulmonary issue?
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ASTHMA - correct answersAN example of an obstructive disease
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REDUCED (<70%) FEV1/FVC RATIO - correct answersautomatically points to obstructive disease
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The FEV1/FVC ratio - correct answersa measure of the percentage of a patient's vital capacity that can be
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expired in the first second of expiration
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restrictive LUNG disease - correct answersThe NP reviews the results of a patient's pulmonary function tests
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and notes that the FEV1, FVC, and total lung capacity (TLC) are reduced. The FEV1/FVC ratio is normal. Based
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on interpretation, this reflects:
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RESTRICTVE LUNG DISEASE - correct answersthe FEV1, FVC and TLC are all reduced this indicates:
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, obstructive problem. - correct answersA normal FEV1/FVC ratio is a clue that this is not a(n)
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80 - correct answersThe normal range for the FEV1/FVC is _____%.
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80%; second - correct answersa pt w norm lungs should be able to exhale _____ of forced vital capacity
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within the first ____
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Decreased forced expiratory flow (FEV1). - correct answersWhat pulmonary function test (PFT) findings are
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anticipated based on the diagnosis of chronic bronchitis?
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obstructive - correct answerswhat kind of disease is chronic bronchitis?
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decreased - correct answersobstructive diseases lead to ___ expiratory flow rates and FEV1
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air trapping - correct answerscommon in obstructive disease which will cause an increased TLC.
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decreased diffusing capacity - correct answerstypically only occurs in emphysema, not chronic bronchitis.
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residual volume-Since that volume cannot be exhaled, it cannot be measure. - correct answerswhat can
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simple spirometry NOT measure
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Inspiratory reserve volume, tidal volume, vital capacity - correct answerswhat 3 things can simple
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spirometry measure m




Residual volume - correct answersthe amount of air that is left in the lungs after a full exhalation. it cannot be
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measure.



Spirometry - correct answersSpirometry m m m