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
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*
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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