PFT Final Exam Questions and Answers All Correct

PFT Final Exam Questions and Answers All Correct A 22 year old patient with dyspnea performs three spirometry trials the PFT tech should do which of the following? - ANSWER Perform at least one more maneuver PFT testing is contraindicated in which of the following conditions? - ANSWER 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 - ANSWER True Which of the following is the most important measurement for distinguishing an obstructive impairment? - ANSWER FEV1/VC Measurement of lung volumes (TLC) is indicated - ANSWER To diagnose restrictive lung disease The reported flow volume loop should come from which trial? - ANSWER Trial 3 A subject being tested for possible environmental exposure to asbestos produces the following spirometery results - ANSWER The patient did not make a good effort on the MVV A subject has an FVC of 1.8 L (39% of predicted). The same individual has a slow VC of 2.7 L. Which of the following might explain these findings? - ANSWER 1. Airway compression in obstructive lung disease 2. Poor effort or early termination of the FVC