Podcast
Questions and Answers
In order to survive, pathogens require a source of nutrients, protection from harmful elements and:
In order to survive, pathogens require a source of nutrients, protection from harmful elements and:
- Colonisation of a niche in the host (correct)
- Dissemination through the oesophagus
- Access to the vascular system
- Access to cilia
Some enveloped viruses use antigenic variation which makes it difficult for the immune system to recognise different strains of the virus. Which type of antigenic variation results in a major change in spike due to gene reassortment ?
Some enveloped viruses use antigenic variation which makes it difficult for the immune system to recognise different strains of the virus. Which type of antigenic variation results in a major change in spike due to gene reassortment ?
- Antigenic drift
- Antigenic shift (correct)
- Antigenic draft
- Antigenic shaft
Which pathogen is always a member of the normal microbiota and only causes disease in an immunocompromised host?
Which pathogen is always a member of the normal microbiota and only causes disease in an immunocompromised host?
- Primary pathogen
- Opportunistic pathogen (correct)
- Discreet pathogen
- Individual pathogen
Which type of pathogen is an environmental microbe that is able to cause disease in an otherwise healthy individual?
Which type of pathogen is an environmental microbe that is able to cause disease in an otherwise healthy individual?
Virulence factors can be described as :
Virulence factors can be described as :
Which kind of virulence factors are proteases, phospholipases and glycohydrolases?
Which kind of virulence factors are proteases, phospholipases and glycohydrolases?
Which of these virulence factors act as adhesins
Which of these virulence factors act as adhesins
Which one of these virulence factors assist in promoting colonisation of the host ?
Which one of these virulence factors assist in promoting colonisation of the host ?
Which one of these virulence factors enable damage to be caused to the host ?
Which one of these virulence factors enable damage to be caused to the host ?
Which virulence factor does porphyromonas Gingivalis use which leads to disregulated immunity in the gingival tissues and break down of the structures around the teeth ?
Which virulence factor does porphyromonas Gingivalis use which leads to disregulated immunity in the gingival tissues and break down of the structures around the teeth ?
