7315062
Descripción
Test por Grace Edwards, actualizado hace más de 1 año
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Creado por Grace Edwards
hace más de 7 años
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Pregunta 1
Pregunta
Which statement about immunity is correct?
Respuesta
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Passive immunity involves the body making its own antibodies
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Passive immunity involves receiving antibodies
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Active immunity involves receiving antibodies
Pregunta 2
Pregunta
Which of these is one of the main problems with bacteria?
Respuesta
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They are killed by antibiotics
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They produce toxins
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They cause measles and mumps in young children
Pregunta 3
Pregunta
What is a 'pathogen'?
Respuesta
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A disease
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A disease-causing microorganism
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A type of disease
Pregunta 4
Pregunta
Which of these is one of the main problems with viruses?
Respuesta
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They are killed by antibiotics
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They damage the host cell when they reproduce
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They cause cholera and typhoid in poor areas
Pregunta 5
Pregunta
What is one of the functions of white blood cells?
Respuesta
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White blood cells carry oxygen in the bloodstream
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White blood cells produce antigens that destroy pathogens
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White blood cells ingest and destroy pathogens
Pregunta 6
Pregunta
Which of the following is a function of antibodies?
Respuesta
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To engulf pathogens
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To lock onto antigens
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To produce toxins
Pregunta 7
Pregunta
How do antibiotics work
Respuesta
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They can stop bacteria from reproducing
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They can stop viruses from reproducing
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They can stop toxins poisoning the tissue of the host
Pregunta 8
Pregunta
What can vaccinations involve?
Respuesta
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Injecting a dead form of the disease to stimulate immunity
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Injecting an inactive form of the disease to stimulate immunity
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Injecting an inactive form of the pathogen to stimulate immunity
Pregunta 9
Pregunta
It is important to use antibiotics carefully because:
Respuesta
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antibiotics are very expensive
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antibiotics could kill harmless viruses as well as harmful ones
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over-use can lead to the development of resistant bacteria
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