Normal Human Microbiota

Question 1

What does Halophitic mean (like halogen)

Answer 1

Can withstand high concentrations of salt

Question 2

Name some common microbes found in the eye

Answer 2

Staphylococcus Aureus
Staph Epididimis
Strep pneumoniae
Assorted gram negatives

Question 3

What are some natural defences of the eyes

Answer 3

Salty tears
Lysozymes
Physical mechanisms like blinking
Lashes, brows

Question 4

What is predominant microbe that lives on the teeth

Answer 4

Strep Mutans

Question 5

What does strep mutans do

Answer 5

Produces sugars that stick to polysaccharide coating on teeth.
Microbes build up —> anaerobic —> ferment and prod. Acid —> erodes teeth and bones

Question 6

Name some microvesbyou May find in the Respiratory tract

Answer 6

Staph ep
Corynebacteria
Staph aur 
Strep pneu 
Haemophillus influenzae
Neisseria meningitidis

Question 7

Name some microbes you may find in the trachea, bronchi or alveoli

Answer 7

None, very sensitive to TB bacterium aswell, takes a single microbe to cause TB

Question 8

Name some respiratory tract host defences

Answer 8

Mucus
Cilia
Alveolar macrophages and lysozymes In nasal mucus

Question 9

Name some microbes that may live in the gastrointestinal tract

Answer 9

Stomach is between pH 1 and 3 so only Archea can really survive

Question 10

What is a Gnotobiotic

Answer 10

An animal that is kept sterile from birth to see the effects of flora

Question 11

What microbes are normally found on the skin

Answer 11

Staph coccus
Acinetibacter
Cutibacterium

Question 12

What microbes are normally found in the RT

Answer 12

Strep cocc
Staph cocc
Neisseria

Question 13

What microbes are normally found in the urogenital tract (UT)

Answer 13

E. Coli
Neisseria
Klesbsiella
Lactobacillus

Question 14

What is a biofilm

Answer 14

A complex ubiquitous community of microorganism attached to a surface and encases in an extracellular polymeric substance (EPS)