What is an Infection? Flashcards

1
Q

What is an infection?

A
  • An invasion of a host’s tissues by micro-organisms

- Disease caused by: microbial multiplication, toxins and the host response

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2
Q

What is the source of an infection?

A

The origin from which the host acquired the infection.

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3
Q

What is the a likely endogenous source of infection?

A

the microbial flora

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4
Q

What are some routes of transmission?

A
  • Physical contact
  • Ingestion
  • Inhalation
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5
Q

What is vertical transmission?

A

From mother to child before birth

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6
Q

What are the 4 steps to micro-organisms causing disease?

A
  • Exposure
  • Adherence
  • Invasion
  • Colonization and growth
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7
Q

What are some pathogen disease determinants?

A
  • Virulence factors
  • Innoculum size
  • Antimicrobial resistance
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8
Q

What are some supportive investigations when dealing with infection?

A
Full blood count 
C-reactive protein 
Blood Chemistry 
Imaging 
Histopathology
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