Introduction and classification of human microbiota Flashcards
1
Q
What percentage of cells within the body are of human origin?
A
10%
2
Q
What are the commensal microbiota?
A
Commensal bacteria, fungi and protists.
3
Q
What commensal is commonly found on the hard surfaces of the teeth? What disease is it responsible for?
A
Streptococcus mutans - dental caries.
4
Q
What commensal is commonly found on the soft surfaces of the mouth?
A
Streptococcus salivarius
5
Q
What are the four classes of protists?
A
Apicomplexa (formerly known as sporozoa)
Flagellate protista
Ciliate protista
Amoebae.
6
Q
Is skin-living Staph coagulase negative or positive?
A
Negative.
7
Q
Give examples of ‘intoxication illnesses’.
A
Ergotism, botulism and tetanus
