Respiratory

Question 1

Air crescent sign on CXR

Answer 1

Aspergilloma

Forms in body cavities e.g. secondary to prev TB or sarcoid

Question 2

Most common cause of IECOPD

Answer 2

Haemophilus influenzae

Question 3

Spirometry with COPD
(i.e. obstructive lung disease)

Answer 3

FEV1 significantly reduced
FVC reduced or normal
FEV1/ FVC reduced

Question 4

Spirometry with pulmonary fibrosis
(i.e. restrictive lung disease)

Answer 4

FEV1 reduced
FVC significantly reduced
FEV1// FVC normal or increased