Industrial Toxicology Flashcards

1
Q

what work was published my Ramanzini in 1700

A

De morbis artificum diatribe

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2
Q

who identified lead poisoning as the probable cause of devonshire colic in the second half of the 18th C

A

Baker

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3
Q

when did Pott draw attention to high rate of scrotal cancer among chimney sweeps

A

2nd half of 18th C

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4
Q

what did the several what did ramazzinis work describe

A

the symptoms of diseases found in the workplace

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5
Q

what did the 1895 workshop act state

A

industrial diseases must be reported

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6
Q

when was the workmens compensation act passed and what did it state

A

1897, those injured should be compensated

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7
Q

in which year was the first factory inspector appointed

A

1898

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8
Q

what did the 1911 national health insurance act state

A

covered workers for sickness and disablement benefits

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9
Q

what was the purpose of the 1946 national insurance injuries act

A

provided compensation for loss of ability to wokr

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10
Q

when was the health and safety at work act which underpins current legislation passed

A

1974

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11
Q

how many tonnes of asbestos are mined each year

A

2million

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12
Q

what is white asbestos called

A

chrysotile

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13
Q

ehat is blue asbestos called

A

crocidolite

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14
Q

what is brown asbestos called

A

amosite

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15
Q

which forms of asbestos can be spun

A

chrysolite and crocidolite

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16
Q

what is amosite used ofr

A

cement/plaster boards

17
Q

what is the structure based on

A

SiO2

18
Q

what is sandwiched between layers of SiO2 in asbestos

A

layers of metal oxides

19
Q

when was concern raised over high incidences of lung disease in factories and who by

A

lucy deane, late 1890s

20
Q

why was no link found between factory work and lung disease in late 1890s by government commision

A

high incidence of Tb in working class

21
Q

when was lung disease as a result of exposure to asbestos first recognised

A

1920s

22
Q

when was the asbestos regulations act introduced

A

1931

23
Q

why were the 1968/9 asbestos regulations act inadequate

A

set the acceptabl level of exposure too high

24
Q

when was the masacre at hebden bridge

A

1976

25
Q

what was the result of the masacre

A

advisory commitee apointed to review 1968 act

26
Q

when was the act passed to ban the use of asbestos in the EU from 2006

A

2003

27
Q

whatare the symptoms related to asbestos poisoning

A

inflammation and progressive fibrosis of the lung, lung cancer and mesothelioma

28
Q

what is the safe limit

A

there isnt one

29
Q

why is asbestos so biopersistent

A

poorly soluble andto long to be phagocytosed or cleared by cilia

30
Q

how do numbers of chrisotile fibres increase over time

A

they split longitudnally

31
Q

what often occurs if phagocytosis does occur and what is the result

A

phacocytic vesicles rupture, releasing proteolytic enzymes and fibres into the lung tissue causing an inflammatory response

32
Q

what allows asbestos fibres to form reactove oxygen species

A

iron (II) which catalyses hydroxyl radical formation

33
Q

what is the result of reactive oxygen species formation

A

dna damage, lipid peroxidation

34
Q

how many countries have banned its use

A

52

35
Q

how many predicted deaths from mesothelioma will there be by 2050

A

90,000

36
Q

how many people are estimated to die of asbestos related diseases each year

A

100000

37
Q

what effects do fibroblasts have on collagen

A

increase type one and reduce type three making it less flexible