10 questions🇬🇧English
🦠Communicable Diseases – GCSE
Biology · GCSE — pathogens, how diseases spread, the immune system, vaccination and antibiotics
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Questions
Malaria is a communicable disease. Which type of pathogen causes it?
Fungus
Virus
Protist
Bacterium
20s
Salmonella food poisoning is caused by which type of pathogen?
Protist
Fungus
Bacterium
Virus
20s
What do painkillers such as paracetamol do when you have an infection?
Relieve symptoms but do not kill pathogens
Make white blood cells produce antibodies
Kill viruses inside body cells
Kill the bacteria causing the infection
20s
How is malaria spread from one person to another?
By eating undercooked food
By drinking contaminated water
By mosquitoes that act as vectors
By droplets from coughs and sneezes
20s
Cells lining the trachea and bronchi have cilia. What job do the cilia do?
Engulf and digest pathogens in the airways
Release acid that destroys pathogens
Produce antibodies that kill pathogens
Move mucus with trapped pathogens up to the throat
30s
Some white blood cells carry out phagocytosis. What does this involve?
Releasing antibodies that stick to pathogens
Releasing antitoxins to neutralise toxins
Engulfing and digesting pathogens
Producing mucus that traps pathogens
30s
A doctor will not give antibiotics for a cold caused by a virus. Why not?
Viruses are too large for antibiotics
Antibiotics only work against fungi
Antibiotics cannot kill viruses
Antibiotics only relieve cold symptoms
30s
A vaccinated person later meets the real pathogen. Why do they usually not become ill?
Antibiotics from the vaccine stay in the blood
White blood cells rapidly make the right antibodies
The vaccine kills the pathogen on contact
Red blood cells now engulf the pathogen
30s
Why does untreated HIV infection eventually lead to AIDS?
It damages the immune system's white blood cells
It makes the stomach stop producing acid
It blocks the airways with mucus
It destroys red blood cells in the blood
30s
Antibodies made against the measles virus do not protect against other pathogens. Why?
Measles antibodies last only a few days
Antibodies can only attack bacteria
Other pathogens are too big for antibodies
Each antibody fits one specific antigen
30s