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Author Question: A lung that loses elastic fibers would exhibit which of the following characteristics? a. ... (Read 323 times)

folubunmi

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on: Jul 16, 2018
A lung that loses elastic fibers would exhibit which of the following characteristics?
 
  a. Decreased airways resistance
  b. Decreased pulmonary vascular resistance
  c. Increased airway resistance
  d. Increased pulmonary compliance

Question 2

A fibrotic lung would exhibit which of the following characteristics?
 
  a. Decreased airway resistance
  b. Decreased lung compliance
  c. Decreased PVR
  d. Decreased surface tension


Kedrick2014

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Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: D
Increased compliance results primarily from loss of elastic fibers, which occurs in emphysema.

Answer to Question 2

ANS: B
The compliance curve of the patient with pulmonary fibrosis is flatter than the normal curve, shifted down and to the right. As a result, there is a smaller volume changes for any given pres-sure change (decreased compliance).


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folubunmi

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Reply #2 on: Jul 16, 2018
Thank you


Kedrick2014

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Reply #3 on: Jul 16, 2018
No problemo


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