Chapter 5 - Health And Disease - Pathogens Flashcards Preview

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Flashcards in Chapter 5 - Health And Disease - Pathogens Deck (21)
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1
Q

What are the 4 main pathogens?

A

Bacteria, viruses, fungi, protists

2
Q

Where is the DNA found in bacteria?

A

In cytoplasm

3
Q

Which two pathogens are eukaryotic?

A

Fungi, protists

4
Q

What are the 4 main ways that disease is spread?

A

~ droplet infection
~ direct contact
~ food and drink
~ breaks in the skin

5
Q

How does droplet infection spread disease and give examples of diseases caused by it?

A

Coughs and sneezes e.g. flu, TB, and the common cold

6
Q

How does direct contact spread disease and give examples of diseases caused by it?

A

When pathogen comes into direct contact with the skin e.g. STIs

7
Q

How does food and drink spread disease and give examples of diseases caused by it?

A

Raw or undercooked food, and water containing sewage e.g. salmonella

8
Q

How does breaks in the skin spread disease in the skin and give examples of diseases caused by it?

A

Enter through a break in skin or needle punctures e.g. HIV, tetanus

9
Q

How can the spread of diseases be reduced or prevented?

A

~ simple hygiene measures
~ destroying vectors (carriers of disease eg. Mosquitoes)
~ isolation of infected individuals
~ vaccination

10
Q

What is cholera caused by?

A

A bacterium

11
Q

What is malaria caused by?

A

A protist

12
Q

What is HIV/AIDS caused by?

A

A virus

13
Q

What is tuberculosis caused by?

A

A bacterium

14
Q

What is Ebola caused by?

A

A virus

15
Q

What is meningitis caused by?

A

A bacterium

16
Q

What is ring rot (affects potatoes, tomatoes) caused by?

A

A bacterium

17
Q

What is influenza caused by?

A

A virus

18
Q

What is black sigatoka (affects banana plants) caused by?

A

Fungus

19
Q

What is ringworm caused by?

A

Fungus

20
Q

What is athlete’s foot caused by?

A

Fungus

21
Q

What is potato/tomato late blight caused by?

A

Protoctist

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