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:
- Dissemination through the oesophagus
- Colonization of a niche in the host (correct)
- Access to the vascular system
- Access to the digestive system
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 proteins 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 proteins due to gene reassortment?
- Antigenic shift (correct)
- Antigenic drift
- Antigenic draft
- Antigenic shaft
Which pathogen type is always a member of the normal microbiota and only causes disease in an immunocompromised host?
Which pathogen type is always a member of the normal microbiota and only causes disease in an immunocompromised host?
- Primary pathogen
- Individual pathogen
- Discreet pathogen
- Opportunistic pathogen (correct)
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:
What kind of virulence factors are proteases, nucleases, phospholipases and glycohydrolases?
What kind of virulence factors are proteases, nucleases, phospholipases and glycohydrolases?
Which of these virulence factors act as adhesins?
Which of these virulence factors act as adhesins?
Which of these virulence factors assist in promoting colonization of the host?
Which of these virulence factors assist in promoting colonization of the host?
Which of these virulence factors enable damage to be caused to the host?
Which 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 breakdown of the structures around the teeth?
Which virulence factor does Porphyromonas Gingivalis use which leads to disregulated immunity in the gingival tissues and breakdown of the structures around the teeth?
