Lecture 4 Flashcards

1
Q

What is required for an infection to occur? (2)

A
  1. Overwhelming pathogen load

2. Compromised host defences

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2
Q

What does disease/pathology/damage result from? (2)

A
  1. Production of toxins

2. Invasion of tissues

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3
Q

What organisms are saprophytes/environmental? (2)

A

Rhodococcus equi & Aspergillus

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4
Q

What organism is a commensal?

A

CLostridium spiroforme

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5
Q

What organisms are opportunistic pathogens? (3)

A

Staphylococcus app

Acinetobacter spp

Dermatophilus congolensis

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6
Q

Opportunistic pathogen def

A

Can set up infection when given access to a normally sterile or protected site

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7
Q

What are the 3 components of the epidemiological triad?

A

Favourable envy

Virulent agent

Susceptible host

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8
Q

Zoonosis def?

A

Infectious diseases of animals which can be transmitted to humans

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