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Medicine

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Respiratory

Question
5 out of 9
 

Thickening of pulmonary alveolar – capillary membrane is seen in: (PGI May 2010)



A Asthma

B Bronchitis

C Pulmonary fibrosis

D Emphysema

Ans. C

Pulmonary fibrosis

1). Thickening of bronchial epithelial basement membrane

a. Asthma (diffuse and hyaline)

b. Other parenchymal chronic inflammatory disease (Associated with normal DLCO)

Characteristic pathological changes in lungs

2). Thickening of alveolar capillary membrane

Characteristic of interstitial lung disease with

(Associated with decreased DLCO)

Emphysema causes a decrease in DLCO due to reduced surface area of alveolar capillary bed and not due to thickening of alveolar capillary membrane.

Respiratory Flashcard List

9 flashcards
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