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RT203 PFT Exam; Questions and Answers 100% Verified CA$17.26   Add to cart

Exam (elaborations)

RT203 PFT Exam; Questions and Answers 100% Verified

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

RT203 PFT Exam; Questions and Answers 100% Verified what are the general purposes of performing pulmonary function tests (PFTs)? Correct Answer-The functional status of the lungs; Diffusion characteristics of the alveolar-capillary membrane; How much and how fast gas can be moved into an...

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  • August 27, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Pulmonary Function Tests
  • Pulmonary Function Tests
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RT203 PFT Exam; Questions and Answers 100%
Verified
what are the general purposes of performing pulmonary function tests (PFTs)?
Correct Answer-The functional status of the lungs; Diffusion characteristics of
the alveolar-capillary membrane; How much and how fast gas can be moved
into and out of the lungs



What parameters have been studied to establish normal values for PFTs?
Correct Answer-height, weight, gender



what factor has the greatest influence on lung size and predicted PFT values?
Correct Answer-height



what is the primary instrument used in performing PFTs? Correct Answer-
spirometer



what is standard equipment in a pulmonary function laboratory? Correct
Answer-Spirometer; gas analyzer; Body plethysmograph



The volume of air inhaled and exhaled during quiet breathing is known as the:
Correct Answer-tidal volume

, RT203 PFT Exam; Questions and Answers 100%
Verified
what is the most common cause of erroneous FVC test results? Correct
Answer-Suboptimal coaching



What may cause the FVC to decrease in a patient with a restrictive lung
disorder? Correct Answer-a decrease in lung size



Which level of VC is associated with increased risk of respiratory failure?
Correct Answer-<15 ml/kg



Total lung capacity (TLC) is a function of: Correct Answer-size, age, gender



The body plethysmograph uses which of the following gas laws? Correct
Answer-boyle's law



In which of the following diseases will the open-circuit nitrogen washout
method tend to underestimate the total lung volume? Correct Answer-
emphysema



The closed-system helium dilution method is used to measure: Correct
Answer-FRC

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