No more than ______ repeated DLCO maneuvers should be performed because of the effect
of increasing carboxyhemoglobin Correct Ans-5
Measurement of respiratory muscle strength is accomplished by assessing which of the
following? Correct Ans-MIP and MEP
Which of the following anthropomorphic factors are used in the calculation of the patien'ts
predicted level of pulmonary function? Correct Ans-1. Age
2. Height
3. Weight
4. Race
5. Sex
The volume time tracing for the FVC should show at least how many seconds of forced effort
Correct Ans-6
A subject who complains of SOB has an FVC of 2.57L but her VC is 2.99L. These findings
suggest which of the following? Correct Ans-Emphysema
Which of the following is recommended as the gold standard for diagnosis of obstructive lung
disease Correct Ans-Spirometry
, PFT Final Exam Questions and Answers 100% Solved
In which of the following conditions would an increased DLCO be expected? Correct Ans-1.
Pulmonary hemmorrhage
2. Polycythemia
Hyperactive airway disease is used to describe which of the following? Correct Ans-
Asthma
The following data were obtained while performed a spirometry test on a 43 year old. What
should the technologist do next? Correct Ans-Report thr FVC from trial 3 and the FEV1
from trial 2
A nonsmoking subject performs two DLCOsb manuevers and the following results are
obtained
Test 1 24.3 mlCO/min/mmhg
Test 2 18.7 ml CO/min/mmhg
Which of the following is appropriate? Correct Ans-Performing an additional maneuver
DLCO measurements may be affected by which of the following? Correct Ans-All of the
above
Which of the following is the measurement of choice in evaluating lung function in general?
Correct Ans-FEV1
, PFT Final Exam Questions and Answers 100% Solved
How long should the PFT wait after giving inhaled B2 agonist before conducting post
bronchodilator testing? Correct Ans-15 minutes
Which of the following would be considered significant regarding reversibility of airway
obstruction? Correct Ans-1. 13% increase in FEV1
2. 15% increase in FVC
3. 35% increase in sGaw
A 22 year old patient with dyspnea performs three spirometry trials the PFT tech should do
which of the following? Correct Ans-Perform at least one more maneuver
PFT testing is contraindicated in which of the following conditions? Correct Ans-Untreated
pneumothorax
An FEV1% is less tha predicted is a good indication for bronchodilator studies. However,
FEV1% should not be used to judge bronchodilator response Correct Ans-True
Which of the following is the most important measurement for distinguishing an obstructive
impairment? Correct Ans-FEV1/VC
Measurement of lung volumes (TLC) is indicated Correct Ans-To diagnose restrictive lung
disease
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