PFT Pulmonary function Study guides, Class notes & Summaries

What are the indications of PFT? correct answers -evaluate symptoms and signs of lung disease -assess progression of lung disease -monitor effectiveness of therapy -evaluate preoperative patients to confirm tolerance of anesthesia -to screen people at risk for pulmonary disease -to monitor for potentially toxic effects of certain drugs or chemicals like chemotherapy -screen smokers and people exposed to toxic substances -monitor beryllium and amiodorone what are the limitations of PF...

What is the minimum percent increase in inspiratory flow following a before-and-after bronchodilator study that indicates significant improvement? correct answers A 12% improvement in a before-and-after bronchodilator study indicates that significant improvement was achieved with the bronchodilator. In what lung conditions would the functional residual capacity (FRC) be increased? correct answers FRC is the amount of air left in the lungs after a normal exhalation. This capacity increases in ...

what does pulmonary function tell us correct answers volume capacity flow compliance diffusion effectiveness of therapy what affects the overall pulmonary function? correct answers -condition of the airways -gas exchange -alveolar capillary membrane -gas distribution through the pulmonary tree -structure and compliance of the thorax and lungs -respiratory muscle strength -neuromuscular control of breathing what are the uses for pulmonary function testing? correct answers rt a di...

A 22 year old patient with dyspnea performs three spirometry trials the PFT tech should do which of the following? correct answers Perform at least one more maneuver PFT testing is contraindicated in which of the following conditions? correct answers 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 answers True Which of the following is the most important meas...

Which of the following are indications for assessing pulmonary function? 1. Screen for pulmonary disease. 2. Evaluate patients for surgical risk. 3. Assess the progression of disease. 4. Assist in diagnosing cardiac disability. correct answers 1. Screen for pulmonary disease. 2. Evaluate patients for surgical risk. 3. Assess the progression of disease. Which of the following are considered relative contraindications for lung volume determinations? 1. Recent cataract removal surgery 2....

How are the normal values established? correct answers -age -height -gender -race What is a forced vital capacity (FVC)? correct answers -total volume of air that can be exhaled forcefully from TLC What is the forced expiratory volume in 1 seconds (FEV1)? correct answers -volume of air forcefully expired from TLC in the first seconds Normal people can exhale ____% of their FVC in the 1st second? correct answers 75-80% What may reflect effort independent expiration and the status ...

Measurement of lung volumes (TLC) is indicated: A) To assess response to exercise training B) Whenever simple spirometry is performed C) To diagnose restrictive lung disease D) When hypoxemia is suspected correct answers C Arterial blood gases would be indicated in which of the following patients? A) An adult with exercise induced bronchospasm B) An adult with a suspected shunt C) An adolescent with myasthenia gravis D) An obese child correct answers B A 60 year old male complains ...

Measurement of lung volumes (TLC) is indicated: A) To assess response to exercise training B) Whenever simple spirometry is performed C) To diagnose restrictive lung disease D) When hypoxemia is suspected correct answers C Arterial blood gases would be indicated in which of the following patients? A) An adult with exercise induced bronchospasm B) An adult with a suspected shunt C) An adolescent with myasthenia gravis D) An obese child correct answers B A 60 year old male complains ...