NicolePatriciaH
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A test on Pathogens based on AQA exam board resources

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NicolePatriciaH
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Pathogens

Question 1 of 7

1

What is a pathogen?

Select one of the following:

  • 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

Explanation

Question 2 of 7

1

If a pathogen colonises the host's tissues, a disease occurs which then becomes an infection.

Select one of the following:

  • True
  • False

Explanation

Question 3 of 7

1

How do pathogens enter the body?

Select one of the following:

  • Gas exchange system and the digestive system

  • Digestive system and the circulatory system

  • Circulatory system and the gas exchange system

  • None of the above

Explanation

Question 4 of 7

1

Pathogens cause disease by damaging the host's tissues and producing toxins.

Select one of the following:

  • True
  • False

Explanation

Question 5 of 7

1

How do pathogens cause damage to the host's tissues?

Select one or more of the following:

  • 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

Explanation

Question 6 of 7

1

All diseases have a single cause

Select one of the following:

  • True
  • False

Explanation

Question 7 of 7

1

How quickly a pathogen causes damage is related to the size of the pathogen before division.

Select one of the following:

  • True
  • False

Explanation

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