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Which of the following are true regarding extrinsic allergic alveolitis?
a) Ground glass attenuation with areas of lobular sparing is typical on HRCT
b) The precipitin test is usually negative
c) Pleural effusions arc common
d) Bronchiectasis occurs in chronic disease
e) Interstitial fibrosis usually affects the lower lobes

rs11272017 Asked question June 3, 2021