Infectious Diseases

  • Created by: dionnej13
  • Created on: 15-10-16 12:37
Define symbiosis
Interaction between two different organisms living in close physical association
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Define commensalism
Microorganism making use of a host without causing disease
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Mutualism occurs in ruminants, what are ruminants?
Species with a seperate stomach for fermentation of food by microorganisms
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Parasitism results in
A one sided benefit
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Define disease..
The pathogenic state that results when something damages or disrupts normal structure and function of tissues and organs
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A microorganism whose relationship with it's host is parasitic and results in infection and disease is known as...
A pathogen
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Virulence is a quantification of how ______ a microorganism is
pathogenic
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Which symptoms result from the exotoxin produced by Clostridium tetani?
Blocks action of inhibitory neurons of spinal cord producing rigidity and spasms in the head and neck. Then travelling down the body making the back arch.
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Transient flora are not significant as long as?
Normal flora is stable
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Which is NOT a mechanism preventing infection carried out by normal flora
Mast cell production of IgE
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Pilli and fimbrae facilitate what?
Adhesion
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A local infection by diptheria is found in?
The respiratory tract
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99% of infectons in the respiratory tract are caused by?
Viruses
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Haemagglutinin and neuraminidase protein subtypes differntiate types of which virus
Influenza virus
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Change in HA or NA proteins resulting in new ones is known as?
Antigenic shift
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The most common and widespread influenza strain is?
A
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Other cards in this set

Card 2

Front

Define commensalism

Back

Microorganism making use of a host without causing disease

Card 3

Front

Mutualism occurs in ruminants, what are ruminants?

Back

Preview of the front of card 3

Card 4

Front

Parasitism results in

Back

Preview of the front of card 4

Card 5

Front

Define disease..

Back

Preview of the front of card 5
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