P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
NURS 8026 Differential Diagnosis
Module 12 Pulmonary Function
Tests (PFT) Questions & Answers
2026-2027 | Updated Edition
Verified Answers Exam Ready With Rationales
67 QUESTIONS
DOCUMENT OVERVIEW
This updated 2026-2027 edition of NURS 8026 provides 67 pulmonary function test questions with their
correct answers, offering a comprehensive review of PFT interpretation. This resource is ideal for students
studying pulmonary diagnostics, allowing for effective exam preparation and knowledge consolidation. It
directly aligns with the study of PFT interpretation and clinical application.
CONTENTS
PFT Fundamentals Q1–Q39
PFT Maneuvers & Contraindications Q40–Q45
PFT Interpretation & Patterns Q46–Q59
Specific PFT Tests & Applications Q60–Q67
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 67
Page 1
,FVC
2. FEV1
3. FEV1/FVC
CORRECT ANSWER
What are the 3 most important indices in spirometry?
Q2 QUESTION 2 OF 67
FEV1
-is diagnosed with low FVC and normal ratio
CORRECT ANSWER
Which of the following is used to follow disease severity in COPD patients?
a. Total lung capacity (TLC)
b. Degree of responsiveness to bronchodilators
c. Forced vital capacity (FVC)
d. Forced expiratory volume in 1 second (FEV1)
e. Diffusing capacity (DLCO)
Q3 QUESTION 3 OF 67
b. pre and post bronchodilator study
CORRECT ANSWER
A 36yo WF, non-smoker, presents to your office for follow-up of "recurrent bronchitis". You suspect asthma and decide to order PFTs.
Which of the following would you include in your initial prescription for testing? a. Diffusing Capacity (DLCO)
b. Pre and post-bronchodilator study
c. Methacholine challenge
d. Flow volume loop
e. b and c
f. All of the above
Q4 QUESTION 4 OF 67
Provides acceptable (quantifiable) and repeatable measurement of lung function
CORRECT ANSWER
What is the purpose of pulmonary function testing?
Q5 QUESTION 5 OF 67
Page 2
, Indications for PFT
CORRECT ANSWER
Diagnosis
-Evaluate s/s or abnormal diagnostic test results (CXR, EKG, Hg, ABG)
• Measure physiologic effect of disease
• Screen at risk individuals
• Assess pre-op risk
• Assess prognosis
Monitoring
• Assess therapeutic response
• Monitor disease progression, status of exacerbation
• Monitor after exposure to toxic agents, adverse drug effects
Disability/impairment evaluation
Other
• Research, pre-employment screen for at-risk occupations, baseline pre- risk associated activity
Q6 QUESTION 6 OF 67
To aid with diagnoses, monitoring, disability/impairment evaluation
CORRECT ANSWER
What are the indications for PFT in primary care?
Q7 QUESTION 7 OF 67
Page 3