Tag: evs - i
Questions Related to evs - i
Vaccines are prepared from
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Vitamins
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Blood
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Attenuated bacteria or inactivated viruses
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Plasma
A vaccine is a biological preparation that provides active acquired immunity to a particular disease. Generally, vaccines are composed of the surface proteins of the virus, extracted from the blood serum of the infected patients.
Thus, the correct answer is option (C), 'Serum'.
Inoculation of a suspension of killed or attenuated pathogenic micro-organisms to stimulate the formation of antibodies is known as
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Vaccination
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Antibiotic treatment
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Serum therapy
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Transplantation
A vaccine contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbes, its toxins or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it and keep a record of it so that the immune system can more easily recognize and destroy any of these microbes that it later encounter.
Antibiotics are a type of antimicrobial, used in the treatment and prevention of bacterial infection.
The serum is the clear yellowish fluid which is obtained upon separating whole blood into its solid and liquid components after it has been allowed to clot.
Antitoxins are antibodies that counteract a toxin.
Developing a vaccine for SARS is difficult because
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It spreads by infectious materials
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It is an enveloped virus
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It is constantly changing it's form
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It has ssRNA
A vaccine is usually given?
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At any time
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At the time disease causing germs enters the body
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Before the symptoms of the disease appeared
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None of these
What is a vaccine?
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Treated bacteria, virus or protein
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Treated algae
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Activated fungi
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Plant preparation
A vaccine is a biological preparation which provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened (attenuated) or killed forms of the microbe, its toxins or one of its surface proteins. The agent stimulates the body's immune system to recognize the agent as a threat, destroy it and keep a record of it so that the immune system can more easily recognize and destroy any of these microorganisms that it later encounters.