Author Question: What findings on a chest radiograph would be expected during a prolonged asthma episode? 1. ... (Read 34 times)

TFauchery

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What findings on a chest radiograph would be expected during a prolonged asthma episode?
 
  1. Depressed diaphragm
  2. Increased anterior-posterior diameter
  3. Asymmetrical lung inflation
  4. Translucent lung fields
  a. 1, 2
  b. 3, 4
  c. 1, 2, 4
  d. 1, 2, 3, 4

Question 2

The heart shadow on a chest radiograph will show up larger than normal on a(n):
 
  a. AP film.
  b. PA film.
  c. left lateral film.
  d. computed tomography (CT) scan.



vickyvicksss

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Answer to Question 1

C
Because of the air trapping that occurs during an asthma attack, the lungs are hyperinflated. The diaphragm is depressed or flattened by the trapped air and the anterior-posterior diameter would be increased. A more subtle change would be darkened lung fields caused by the increased air within the alveoli.

Answer to Question 2

A
With an AP projection, the heart is enlarged because the x-rays enter from the front and exit from the back to the film (see Fig. 7-3). A PA and left lateral film will show the heart at the correct size. The same is true of a CT scan.



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