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Author Question: Which of the following is characteristic of COPD? A. Asymmetric chest expansion B. Increased ... (Read 75 times)

tiara099

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on: Jun 25, 2018
Which of the following is characteristic of COPD?
 
  A. Asymmetric chest expansion
  B. Increased lateral diameter
  C. Increased anterior-posterior diameter
  D. Pectus excavatum

Question 2

Which of the following imaging studies should be considered if a pulmonary malignancy is suspected?
 
  A. Computed tomography (CT) scan
  B. Chest xray with PA, lateral, and lordotic views
  C. Ultrasound
  D. Positron emission tomography (PET) scan


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reversalruiz

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: C
In COPD, patients commonly develop a barrel-shaped chest due to emphysematous changes in the lungs. A barrel shape is due to an increased anterior-posterior (AP) diameter. In emphysema, there is a 1:1 ratio of AP to lateral diameter; AP diameter equals the lateral diameter. Normally the AP diameter is twice the lateral diameter.

Answer to Question 2

ANS: A
For pulmonary malignancy, chest films are often nondiagnostic, although they may reveal a nodule, mass, or other abnormality. A CT scan of the chest is typically diagnostic.


tiara099

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Reply 2 on: Jun 25, 2018
Excellent

bassamabas

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Reply 3 on: Yesterday
Gracias!

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