739398
Descripción
Test por NicolePatriciaH, actualizado hace más de 1 año
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Creado por NicolePatriciaH
hace más de 10 años
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Pregunta 1
Pregunta
What is a pathogen?
Respuesta
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A brand of vacuum cleaner
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A microorganism with the potential of causing disease by gaining entry to the host, colonise the host's tissues, resist the host's defences and causes damage to host's tissues.
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A bacteria, a fungus or a virus
Pregunta 2
Pregunta
If a pathogen colonises the host's tissues, a disease occurs which then becomes an infection.
Respuesta
- True
- False
Pregunta 3
Pregunta
How do pathogens enter the body?
Respuesta
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Gas exchange system and the digestive system
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Digestive system and the circulatory system
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Circulatory system and the gas exchange system
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None of the above
Pregunta 4
Pregunta
Pathogens cause disease by damaging the host's tissues and producing toxins.
Respuesta
- True
- False
Pregunta 5
Pregunta
How do pathogens cause damage to the host's tissues?
Respuesta
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By dissolving the cells with toxins
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By preventing the tissues to function properly due to the sheer number of pathogens
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By transmitting the messages to the wrong cells
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By preventing the synthesis of important substances e.g. DNA, RNA and proteins
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By breaking down the host's membranes
Pregunta 6
Pregunta
All diseases have a single cause
Respuesta
- True
- False
Pregunta 7
Pregunta
How quickly a pathogen causes damage is related to the size of the pathogen before division.
Respuesta
- True
- False
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