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B1 topic 5: Health and disease > Communicable diseases > Flashcards

Communicable diseases Flashcards

1
Q

What is health?

A

A state of complete physical, mental and social well-being

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2
Q

What is a communicable disease?

A

A disease which can be spread from person to person

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3
Q

What is a disease causing microorganism called?

A

pathogen

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4
Q

What are the 4 types of pathogen?

A

Bacteria, fungi, virus, protist

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5
Q

Which type of pathogen causes cholera?

A

bacteria

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6
Q

Which type of pathogen causes tuberculosis?

A

bacteria

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7
Q

Which type of pathogen causes chalara ash dieback?

A

fungi

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8
Q

Which type of pathogen causes malaria?

A

protist

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9
Q

Which type of pathogen causes HIV?

A

virus

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10
Q

Which type of pathogen causes helicobacter stomach ulcers?

A

bacteria

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11
Q

Which type of pathogen causes ebola?

A

virus

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12
Q

How is cholera spread?

A

dirty water

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13
Q

How is tuberculosis spread?

A

airborne

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14
Q

How is chalara ash dieback spread?

A

airborne

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15
Q

How is malaria spread?

A

mosquito vector

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16
Q

How is helicobacter stomach ulcers transmitted?

A

oral transmission

17
Q

How is ebola transmitted?

A

body fluids

18
Q

How is chlamydia spread?

A

sexually transmitted infection

19
Q

What happens during the lytic pathway of a virus lifecycle?

A

Inside a cell, the virus replicates DNA and protein coats which form new viruses. This causes the host cell to burst, infecting nearby cells

20
Q

What happens during the lysogenic pathway of a virus lifecycle?

A

The genome of a virus is injected into a cell and becomes integrated into the host cell DNA. As the host cell replicates its DNA, the virus DNA is also replicated.

21
Q

How can scientists identify diseases in plants?

A

By examining symptoms, by testing for pathogens, by eliminating other causes of damage and by examining the distribution of plant diseases

B1 topic 5: Health and disease (4 decks)

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