Disease

  • Created by: livie17
  • Created on: 03-05-18 18:19
What is a pathogen?
Microorganisms that enter the body and cause disease.
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What are communicable diseases?
Diseases that can easily spread.
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How do bacteria cells make you feel ill?
They produce toxins which damage your cells and tissues.
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Viruses are cells. True or False.
False.
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How do viruses make you feel ill?
They replicate inside cells and then burst, releasing more viruses and damaging the cell.
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What are protists?
Protists are single-celled eukaryotes.
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What do parasites do?
Parasites live on or inside other organisms and cause them damage.
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Name the three ways that pathogens can be spread.
Water, Air and direct contact.
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How is measles spread and what are the symptoms?
It's spread by droplets from an infected person's sneeze or cough. The main symptom is a red skin rash and signs of a fever.
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What symptoms does HIV cause?
It initially causes flu-like symptoms until it doesn't show symptoms for many years.
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Which disease attacks the immune system?
HIV.
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What living organism is affected by the Tobacco Mosaic Virus?
Plant.
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What does the Tobacco Mosaic Virus cause?
The leaves of the plant become discolored which means the plants can't carry out photosynthesis.
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What does the Rose Black Spot disease do?
It's a fungus that causes purple or black spots on the leaves of rose plants. The leaves turn yellow and drop off.
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How does the Rose Black Spot spread?
It is spread through water or wind.
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How is Rose Black Spot treated?
By ********* the plant of its infected leaves or using fungicides.
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What is Malaria caused by?
A protist.
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How is salmonella caused?
By toxins that Salmonella bacteria produces after being eaten.
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How is the spread of salmonella controlled?
Chickens are vaccinated against salmonella.
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Is gonorrhoea caused by fungi, bacteria or protists?
Bacteria.
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How is the spread of gonorrhoea controlled?
Treating it with antibiotics and using contraceptives when having intercourse.
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Name four ways that the spread of disease can be reduced or prevented.
Being hygienic, destroying vectors, isolating infected individuals, vaccination.
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What is a vector?
An organism that spreads disease.
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What is the body's first protection against disease?
Skin.
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What do the trachea and mucus produce to trap pathogens?
Mucus.
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Where are cilia found and what do they do?
Trachea and bronchi. They waft the mucus up to the back of the throat to be swallowed.
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What does the stomach produce to kill pathogens?
Hydrochloric acid.
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What is the most important part of your immune system?
White Blood cells.
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Which two ways are used by white blood cells to attack pathogens?
Consuming them and producing antibodies.
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What is it called when a white blood cell consumes a pathogen?
Phagocytosis.
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When do white blood cells produce antibodies?
When there is foreign antigens in the body.
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When is someone immune to a disease?
When the white blood cells have already produced antibodies for those certain antigens.
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Other cards in this set

Card 2

Front

What are communicable diseases?

Back

Diseases that can easily spread.

Card 3

Front

How do bacteria cells make you feel ill?

Back

Preview of the front of card 3

Card 4

Front

Viruses are cells. True or False.

Back

Preview of the front of card 4

Card 5

Front

How do viruses make you feel ill?

Back

Preview of the front of card 5
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