Bacteria and viruses

Question 1

What are the different ways to classify bacteria

Answer 1

Staining 
Growth 
Metabolic 
Antigenic 
Nucleic acid molecules

Question 2

How do you measure growth of bacteria

Answer 2

See how they react to oxygen

Question 3

How to differentiate between staph epidermis and staph cureus?

Answer 3

Staph epidermis does not produce the enzyme coagulase

Staph cureus does produce the enzyme coagulase

Question 4

Features of bacterial pathogenesis

Answer 4

Cells adherence to the host tissue
Invasiveness
envasion of host defences
toxins produced

Question 5

Features of viral pathogenesis

Answer 5

Obligate intracellular parasites 
receptors at the site of entry 
dissemination 
multiplication 
shredding

Question 6

examples of DNA viruses

Answer 6

Herpesvirus
Papillovirus
Parvovirus B19
Small pox virus

Question 7

examples of RNA virus

Answer 7

rotavirus 
rubella virus 
hep c 
influenza virus 
measles/mumps virus 
rabies/ebola virus

Question 8

examples of reverse transcripting virus

Answer 8

DNA- hep B virus

RNA - retrovirus including HIV