Introduction To Infection Flashcards

1
Q

What are examples of pathogens

A
Bacteria
Virus
Fungi
Protozoa 
Helminth
Ectoparasites
Sprichetes
Mycobacteria
Atypical bacteria
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2
Q

What is the definition of reservoir

A

Anything that allow infection to picked from e.g person, animal, plant

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3
Q

What is zoonosis

A

A disease transmitted from animal to human

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4
Q

What is a human restricted pathogen

A

Pathogens that exist only in humans

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5
Q

What is latency

A

Ability for a pathogen to lie in the body and then become activated again

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6
Q

What does nosocomial mean

A

Acquired in hospital

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7
Q

What exposure of a pathogen be by

A
Person to person contact
Aerosal
Oral
Fomites
Vectors
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8
Q

What does person to person mean

A

Direct physical contact between people

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9
Q

What does aerosol mean

A

Inhalation

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10
Q

What does oral mean

A

Ingestion

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11
Q

What are fomites

A

Objects or material

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12
Q

What are vectors

A

Living organism that can transmit infection

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13
Q

What do social network look at

A

Who is infected and who infects who

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14
Q

What does incubation period mean

A

Time taken from exposure to the development of the disease

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15
Q

What does pathogenicity mean

A

Ability of organism to cause disease

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16
Q

What does virulence factors mean

A

Factors that increase pathogenicity

17
Q

What are examples of virulence factors

A

Adhesion
Agressions
Toxins

18
Q

What do adhesions do

A

Help adhere the organism to the host e.g by fimbrae

19
Q

What are agressions

A

Help to invade or evade the host e.g capsules, enzymes and plasmids

20
Q

What are the roles of toxins

A

Help damage the host which are harmful substances

21
Q

What are the 3 basic investigations for infection

A

Bacterial and fungal cultures
PCR
Serology

22
Q

What does serology involve

A

Looking at antibody production after the infection