Bacterial Pathogens Flashcards

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What is a bacterial pathogen?

A bacterial pathogen is a type of bacterium that causes disease in a living organism.

How are bacterial cells different from human body cells?

Bacterial cells are much smaller and have no nucleus; their DNA is loose in the cytoplasm.

How do bacterial pathogens make you feel ill?

They reproduce in your body and make toxins that damage your cells and tissues.

What is the name of the process by which bacteria reproduce?

They reproduce by binary fission, where one cell splits into two identical cells.

Which conditions help bacterial pathogens grow and divide quickly?

Warmth, moisture, and plenty of nutrients help bacteria grow and divide quickly.

Why can bacterial infections spread quickly inside the body?

Because bacteria reproduce very fast, so their numbers can increase in a short time.

How do antibiotics treat diseases caused by bacterial pathogens?

Antibiotics kill bacteria or stop them growing, which helps your immune system clear the infection.

Why should you always finish the full course of prescribed antibiotics?

To make sure all the bacteria are killed and to reduce the chance of resistant bacteria surviving.

What is antibiotic resistance in bacteria?

It is when bacteria change so that an antibiotic no longer kills them or stops them growing.

Are all bacteria pathogens?

No. Most bacteria are harmless or helpful; only some types are pathogens that cause disease.