Which group of disorders is categorized together because of similarities in their clinical presenta-tions, plain chest radiographic appearance, and physiologic features?
a. Congestive heart failure
b. Infant respiratory distress syndrome
c. Interstitial lung diseases
d. Sudden acute respiratory syndrome
ANS: C
The term interstitial lung disease (ILD) refers to a broad category of lung diseases rather than to a specific disease entity. It includes a variety of illnesses with diverse causes, treatments, and prognoses. These disorders are grouped together because of similarities in their clinical presenta-tions, plain chest radiographic appearance, and physiologic features.
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