Fsss microbiology - herts dietetics

Give an example of a microbiological agent of food borne diseases.

What is a mycotoxin?

What components are in a bacteria cell?

Bacteria come in 2 different shapes. What are these 2 different shapes?

Names tell you about the bacteria.
What does staphylococcus aureus and streptococcus pneumoniae tell you?

How are Chromosomes present in a bacteria cell?

What is an endospore?

What are endospores resistant to?

How can endospores be killed?

what are the components of an endospore ?

What are the functions of these components?
.Flagellum
.Pillus
.Cell wall

What is the difference between gram negative and gram positive?

what extra layers does gram negative have than gram positive?

what do endotoxins cause?

How do bacteria grow and divide?

What is the name of bacteria that grow in liquid?

What is the name of bacteria that grow on surfaces?

What is the name of bacteria growing on surfaces as an organised community?

Define 'Doubling time'

Define 'Chemoorganotroph'.

Define 'Chemolithotrophs'.

Define 'Phototrophs'.

Define 'Heterotrophs'.

Define 'Autotrophs'

What agar should be used for fastidious pathogenic organisms?

What temperatures do each listed prefer?
1.Psychrophiles
2.Psychrotolerant
3.Mesophiles
4.Thermophiles
5.Hyperthermophiles

Define Aerobes.

Define anaerobes.

Define Facultative Anerobes

Define Obligate Anaerobes.

Define Aerotolerant

Define Microaerophillic.

What pH range does an acidophile live in?

What pH range does an alkaliphile live in?

Water availablity is important, what conditions do this live in?
1.Halophile
2.Halotolerant
3.Osmophiles
3.Xerophile

How can we stop microbes from growing?

Define 'Sterilisation'.

Define 'Disinfection'.

Define 'Antiseptic'.

Define 'Bactericidal'.

Define 'Bacteriastatic'.

Define 'sporocide'.

Give some examples of foods you can food bourne dieases from.

Which disinfectants and antiseptics kill evrything but endospores and some virses?

Which disinfectants and antiseptics kill everything though some spores may survive?

Which disinfectant and antiseptics kills everything?

What factors influence effectiveness of disinfectants?

Name a potential target site

What does MRSA stand for?

Who is at risk of infections?

To cause infection bacteria must beable to:

How can a host prevent against infection?

How can Bacteria reach different places?

What are the defense mechanisms on mucosal surfaces?

What is the role of Commensals?
Natural Flora

Define 'Virulence factors'.

Name some virulence factors.

Name the virulence factors in cholera.

How does typhoid get in?

What are some symptoms of gut infections?