The classic chest radiographic findings in which of the following interstitial lung disease (ILD) is calcification along the pleura?
a. Asbestosis
b. Berylliosis
c. Idiopathic pulmonary fibrosis (IPF)
d. Sarcoidosis
ANS: C
Calcification along the pleura on a chest radiograph suggests previous exposure to asbestos. Alt-hough such calcified areas (called plaques) do not cause symptoms or physiologic abnormality, they can provide a clue that the cause of ILD is asbestos exposure.
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The term that is also referred to as irritability is:
A) contractility B) automaticity C) excitability D) conductivity
An AP axial cranial projection (Towne method) with accurate positioning demonstrates
1. equal distances from the posterior clinoid processes to the lateral borders of the foramen mag-num on each side. 2. the midsagittal plane perpendicular to the IR. 3. the dorsum sellae within the foramen magnum. 4. the posterior clinoids inferior to the foramen magnum. a. 1, 2, and 3 only b. 1 and 3 only c. 2 and 4 only d. 1, 2, 3, and 4