Viruses as causes of disease Flashcards
1
Q
How is hepatitis A spread
A
Faecal-oral route
2
Q
Symptom of hepatitis A + B
A
Jaundice
3
Q
How is hep B spread
A
DNA virus
Blood born
Vertical
STD
4
Q
Define latent
A
Reactivation of a pathogen which causes severe morbidity
5
Q
Size range of viruses
A
20-220nm diameter
6
Q
Where are viruses founding the body
A
- Only inside living cells
7
Q
What type of nucleic acid is found in viruses
A
EITHER RNA or DNA
8
Q
DO Viruses have a cell wall
A
No
9
Q
What replaces the function of a cell wall in viruses
A
Protein coat and lipid envelope
10
Q
Can viruses have an effect outside the host cell
A
No but enzyme can carry functioning inside the cell
11
Q
Role of protein receptors on viral surface
A
Allows attachment to susceptible host
