Multiple choice

Shock lung is characterized histologically by

  1. diffuse alveolar oedema

  2. hemosiderosis

  3. interstitial pneumonia

  4. pulmonary oedema
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A Correct answer
Explanation

Shock lung (ARDS) shows diffuse alveolar damage with hyaline membranes, alveolar edema, and inflammation. Diffuse alveolar edema is the hallmark histological finding. Hemosiderosis indicates iron overload, while interstitial pneumonia is a different pathological process.

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