Protist Pathogens Flashcards

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What is a protist?

A protist is a single-celled organism. It has a nucleus in its cell.

What is a protist pathogen?

A protist pathogen is a protist that causes disease. It does this when it infects a host.

Name one human disease caused by a protist pathogen.

Malaria is a human disease caused by a protist pathogen.

What are the protist parasites that cause malaria called?

The protist parasites that cause malaria are called Plasmodium.

In disease, what does the word 'vector' mean?

A vector is an animal that carries a pathogen between hosts. It does not get the disease itself.

What is the main vector that spreads malaria?

Female Anopheles mosquitoes are the main vector that spreads malaria.

How do malaria protists enter a person’s blood?

When an infected mosquito bites a person, malaria protists enter with the mosquito’s saliva. They then pass into the person’s blood.

Which two parts of the body are mainly infected by malaria protists?

Malaria protists mainly infect the liver. They also infect red blood cells.

Give two common symptoms of malaria.

Common symptoms of malaria include high fever and bad headaches. People may also have repeated chills or sweats.

Give two ways to reduce the spread of malaria.

You can reduce the spread of malaria by using insecticide-treated bed nets at night. You can also remove still water where mosquitoes breed.

How do protist pathogens cause damage in the body?

Protist pathogens invade body cells and reproduce inside them. This kills the cells and can stop organs working properly.