extrinsic allergic alveolitis

Question 1

farmers lung cause

Answer 1

aspergillus fumigatas

Question 2

farmers lung from

Answer 2

mouldy hay, straw

Question 3

malt workers lung

Answer 3

aspergillus clavatus

Question 4

malt workers lung from

Answer 4

germinating barley

Question 5

cheese washers lung

Answer 5

aspergillus clavatus and pénicillum casei

Question 6

cheese washers lung from

Answer 6

mouldy cheese

Question 7

maple bark strippers lung

Answer 7

Crytostroma corticaele

Question 8

pathology

Answer 8

infiltration of small airways with neutrophils followed by T lymphocytes and macrophages
leads to non-necrotising granuloma inflammation lungs

Question 9

what type of granuloma

Answer 9

non necrotising

Question 10

what do the non necrotising granulomas comprise

Answer 10

giant cells

Question 11

what are giant cells

Answer 11

multinucleated

formed by the union of several distinct cells - usually macrophages

Question 12

what type of hypersensitivity reaction

Answer 12

III

there is the deposition of immune complexes

Question 13

what can chronic exposure to antigen cause

Answer 13

fibrosis and emphysema

Question 14

when do the CF arise

Answer 14

4-6 hours post exposure

Question 15

CF

Answer 15

fever 
rigors 
myalgia 
dry cough
SOB 
dyspnoea 
crackles

Question 16

describe the crackles

Answer 16

coarse end inspiratory

upper zones

Question 17

chronic CF

Answer 17

weight loss
exertional dyspnoea
type 1 resp failure
cor pulmonale

Question 18

treatment

Answer 18

steroid and antigen avoidance