
Indicadores y TP2
Authored by laura alonso
Biology, Other
1st - 12th Grade
Used 4+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué nos indican las enterobacterias en un alimento?
Contaminación post proceso
Contaminación por manipulación del operario
Patógenos causantes de ETAS
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si queremos determinar contaminación fecal, ¿qué indicador utilizaría?
S. aureus
Coliformes fecales
Coliformes totales
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué indica la presencia de E. coli en un alimento?
Corta vida útil
Contaminación fecal
Posible presencia de patógenos entéricos
Contaminación fecal y posible presencia de patógenos entéricos
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo esperamos que sea el resultado de la prueba de IMVIC para E. coli?
+++-
++--
+---
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se evidencia un recuento en la técnica de anaerobios sulfito reductores?
Colonias rojas con halo
Colonias negras
Colonias negras con halo de proteólisis y lipolisis
Precipitado negro
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué indica la presencia de anaerobios sulfito reductores en las muestras?
Contaminación fecal
Posible presencia de genero Clostridium
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué rango de colonias en placa en la determinación de aerobios mesófilos totales es utilizado como válido estadísticamente para elegir una placa para informar su recuento?
30-300 colonias
25-250 colonias
Ambas son correctas dependiendo la Norma utilizada para la siembra
Ambas son incorrectas
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