1-Viruses that cause the “Common cold” are ubiquitous in the community. They invade mainly by which route?

 

respiratory route

sexual contact

fecal-oral route

wound route

 

 

 

2-Astrovirus is transmitted by the fecal-oral route, such as by contaminated food or water.

 

True

False

 

 

 

3-In humans, the type of flu that usually causes the most severe illness in humans is influenza type

 

B

C

D

A

 

 

 

4-Which antibiotics are effective against viral infections?

 

Tetracyclins

Cephalosporins

none

Penicillins

 

 

 

5-SARS is described as a zoonotic virus – what does this mean?

 

Such viruses are confined to animals

They emerge from animals to cross the species barrier infrequently

They do not cause disease in humans

They cause pandemics

 

 

6-Which viruses appear to be hypermutable?

 

RNA viruses

‘Emerging’ viruses

DNA viruses

Influenza A viruses

‘Tailed’ Bacteriophages

 

 

 

7-Most viruses with a DNA genome:

 

replicate in the host cell’s cytoplasm.

replicate in the host cell’s Golgi complex.

replicate in the host cell’s nucleus.

No answer text provided.