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Exam (elaborations)

PFT Study Guide Questions with Complete Solutions

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  • Course
  • Pulmonary Function Tests
  • Institution
  • Pulmonary Function Tests

PFT Study Guide Questions with Complete Solutions Purpose of performing pulmonary function tests (PFTs) Correct Answer-- Functional *status* of the *lungs* - *How MUCH & how FAST GAS* can be moved into and out of the lungs - *Diffusion characteristics* of the alveolar-capillary membran

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  • August 27, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Pulmonary Function Tests
  • Pulmonary Function Tests
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PFT Study Guide Questions with Complete
Solutions
Purpose of performing pulmonary function tests (PFTs) Correct Answer--
Functional *status* of the *lungs*

- *How MUCH & how FAST GAS* can be moved into and out of the lungs

- *Diffusion characteristics* of the alveolar-capillary membrane



*the tests can dx. lung diseases & measure the severity of the disease*



Contraindications include: Correct Answer-- pneumothorax (untreated)

- hemoptysis

- cardiovascular disease

- cataract removal surgery (ocular pressure)



Pulmonary function devices that collect and measure GAS volumes Correct
Answer-- water sealed spirometer

- bellows spirometer

- dry-rolling-seal spirometer



Lung volumes Correct Answer-how much air your lungs can hold

, PFT Study Guide Questions with Complete
Solutions
Spirometry determines Correct Answer-how quickly you can move air in &
out of your lungs



Diffusing capacity Correct Answer-how well your lungs add oxygen & remove
carbon dioxide



Parameters to establish normal values for PFTs Correct Answer--*G*ender

-*H*eight

-*R*ace

- Age



What is the most important factor influencing lung size and predicted values?
Correct Answer-*Height*



the taller the person, the larger are predicted lung volumes, flow rates, and
diffusing capacity.



Lung volumes and flow rates are affected typically when the BMI is greater than:
Correct Answer-*BMI>30*

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