Exam (elaborations)
RT203 PFT exam complete questions and answers
- Course
- Institution
RT203 PFT exam complete questions and answers
[Show more]
Content preview
RT203 PFT exam complete questionsand answers
what are the general purposes of performing pulmonary function tests (PFTs)?
CORRECT ANSWERS 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
ANSWERS height, weight, gender
what factor has the greatest influence on lung size and predicted PFT values?
CORRECT ANSWERS height
what is the primary instrument used in performing PFTs? CORRECT ANSWERS
spirometer
what is standard equipment in a pulmonary function laboratory? CORRECT ANSWERS
Spirometer; gas analyzer; Body plethysmograph
The volume of air inhaled and exhaled during quiet breathing is known as the:
CORRECT ANSWERS tidal volume
what is the most common cause of erroneous FVC test results? CORRECT ANSWERS
Suboptimal coaching
What may cause the FVC to decrease in a patient with a restrictive lung disorder?
CORRECT ANSWERS a decrease in lung size
Which level of VC is associated with increased risk of respiratory failure? CORRECT
ANSWERS <15 ml/kg
Total lung capacity (TLC) is a function of: CORRECT ANSWERS size, age, gender
The body plethysmograph uses which of the following gas laws? CORRECT
ANSWERS boyle's law
In which of the following diseases will the open-circuit nitrogen washout method tend to
underestimate the total lung volume? CORRECT ANSWERS emphysema
The closed-system helium dilution method is used to measure: CORRECT ANSWERS
FRC
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ElevatedExcellence. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75323 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now