Pathogens

Descrição

A test on Pathogens based on AQA exam board resources
NicolePatriciaH
Quiz por NicolePatriciaH, atualizado more than 1 year ago
NicolePatriciaH
Criado por NicolePatriciaH mais de 10 anos atrás
199
1

Resumo de Recurso

Questão 1

Questão
What is a pathogen?
Responda
  • A brand of vacuum cleaner
  • A microorganism with the potential of causing disease by gaining entry to the host, colonise the host's tissues, resist the host's defences and causes damage to host's tissues.
  • A bacteria, a fungus or a virus

Questão 2

Questão
If a pathogen colonises the host's tissues, a disease occurs which then becomes an infection.
Responda
  • True
  • False

Questão 3

Questão
How do pathogens enter the body?
Responda
  • Gas exchange system and the digestive system
  • Digestive system and the circulatory system
  • Circulatory system and the gas exchange system
  • None of the above

Questão 4

Questão
Pathogens cause disease by damaging the host's tissues and producing toxins.
Responda
  • True
  • False

Questão 5

Questão
How do pathogens cause damage to the host's tissues?
Responda
  • By dissolving the cells with toxins
  • By preventing the tissues to function properly due to the sheer number of pathogens
  • By transmitting the messages to the wrong cells
  • By preventing the synthesis of important substances e.g. DNA, RNA and proteins
  • By breaking down the host's membranes

Questão 6

Questão
All diseases have a single cause
Responda
  • True
  • False

Questão 7

Questão
How quickly a pathogen causes damage is related to the size of the pathogen before division.
Responda
  • True
  • False

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