Bacillus Cereus cepa emetica Flashcards

1
Q

Morfologia

A

Bastonetes Gram Positivo
Capaz de esporular
Aerobio facultativo
Movel

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2
Q

Mecanismos fisiopatogenicos

A

Intoxicacoes (toxina termoestavel pre-formada)

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3
Q

periodo de incubacao

A

1-8 horas

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4
Q

Sinais clinicos

A

Nauseas e vomitos predominates, colicas e diarreia ocasionalmente.

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5
Q

Fatores contribuintes

A

Armazenamento, coccao e reaquecimento inapropriados.
Contaminacao cruzada
Falta de limpeza e higiene

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6
Q

Alimentos envolvidos

A

produtos de cereais, arroz, molhos, almondegas de carne, outros.

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7
Q

virulencia

A

7 diferentes tipos de toxinas , que podem ser divididas em quatro grupos: enterotoxinas, hemolisinas, fosfolipase C e a toxina emetica

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8
Q

caracteristicas

A

Ubiquitaria, normalmente encontrada em pequenas quantidas nos alimentos.
As toxinas responsaveis pelos surtos de DTA sao as cepas diarreica (termolabil) e a emetica (termoestavel)

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