Amirah Khairuddin
Quiz by , created more than 1 year ago

This is a graded quiz to test your knowledge about Human Body Ecosystem. All the best!

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Amirah Khairuddin
Created by Amirah Khairuddin over 9 years ago
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HUMAN BODY ECOSYSTEM

HUMAN BODY ECOSYSTEM

Question 1 of 10

1

Which of the following constitute majority of all bacteria in the gut?

Select one of the following:

  • Clostridium

  • Pusobacterium

  • Bacteriodes

  • Eubacterium

Explanation

Question 2 of 10

1

Which is true about bacteria in the gut?

Select one of the following:

  • There are more than 400 bacterial species in the gut with the majority being anaerobes

  • There are more photosynthetic algae in the human gut than bacteria

  • There are not much bacteria in the gut and they are all harmful

Explanation

Question 3 of 10

1

Inflammation is one type of non-specific defense system. All of the characteristics of inflammation are true except

Select one of the following:

  • bleeding

  • swelling

  • pain

  • redness

Explanation

Question 4 of 10

1

In normal flora of respiratory tract, microbes move by those ways except

Select one of the following:

  • continuous stream of mucous generated by ciliated epithelial cells

  • phagocytic action of alveolar macrophages

  • mucous from upper respiratory tract

  • lysozyme in mucus

Explanation

Question 5 of 10

1

Those are the bacteria that can produce virulence factors to establish and maintain disease at the infection site except

Select one of the following:

  • Streptococci

  • Staphylococci

  • Pneumococci

  • Neisseria

Explanation

Question 6 of 10

1

“Superorganisms” is a a blend of host and microbial traits where host and microbial cells cometabolize various substrates, resulting in unique products.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 10

1

Pathogenicity is expressed as cell or viral number that will elicit a pathogenic response in a host within a given time period.

Select one of the following:

  • True
  • False

Explanation

Question 8 of 10

1

Streptococcus mutans is a bacteria that can be found in crevices and can cause dental caries.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 10

1

Cytolytic toxins cause lysis of cells in human body.

Select one of the following:

  • True
  • False

Explanation

Question 10 of 10

1

Exotoxin can produce fever.

Select one of the following:

  • True
  • False

Explanation

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