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Gcse Science
Biology - Fighting Disease (Aqa)
Solution
Q.1.
Which of the following types of drugs is most effective against a bacterial infection?
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Painkiller
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Hallucinogen
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Stimulant
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Antibiotic
Q.2.
Before the 19th Century, why did doctors not wash their hands in between dealing with their patients?
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They did not understand about infectious diseases
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They were too lazy
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Soap was not available
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It meant that they could move on to the next patient as quickly as possible and make more money
Q.3.
Which of the following statements about the first ever antibiotic is true?
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It is called pennysillyum and invented by Alexander Flaming
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It is called penicillin and was discovered by accident by Alexander Fleming
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It is called penicilliase and was made for use in the First World War
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It is called amoxycillin and discovered by James Lister
Q.4.
Which of the following is not caused by bacteria or viruses?
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Salmonella and listeria (food poisoning)
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Cholera and typhoid
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Whooping cough and sore throats
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Scurvy and anaemia
Q.5.
How do antibiotics work?
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They absorb the toxins released by the bacteria
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They kill the viruses that have got into the body
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They ingest the bacteria that are causing the infection
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They stop the bacteria from reproducing
Q.6.
Why do pathogenic diseases make you feel ill?
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They alter all of the chemical reactions in your body
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They slow down your metabolic rate
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They produce toxins and can damage cells
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It is because your immune system is fighting them off
Q.7.
Why do doctors think carefully about prescribing antibiotics?
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Because they are expensive
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Because they kill harmless viruses as well as pathogenic viruses
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Because over use or patients who don't take the whole course can lead to the development of resistant bacteria
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Because writing out a prescription for antibiotics is complicated and takes them a lot of time
Q.8.
What do vaccines contain?
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Live pathogens but treated to make them harmless
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Dead pathogens
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Fragments of the pathogen that are harmless but which carry the antigen
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Any of the above
Q.9.
What is a pathogen?
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Someone who carries out post-mortems
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A type of infectious disease
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A microorganism that cause infectious diseases
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A torch that surgeons wear on their heads during operations
Q.10.
Antibiotics are effective against what?
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Bacteria only
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Viruses only
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Both bacteria and viruses
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Neither bacteria or viruses
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