Introduction

Question 1

What is an infection?

Answer 1

Invasion of a hosts tissues by mircorgnaism and disease caused by microbial multiplication, toxins and the host response

Question 2

What are some of the enivormental sources of infection?

Answer 2

Water, Food, air and surfaces

Question 3

What is your mircobiota (commensals)?

Answer 3

Mircorganisms carried on the skin and mucosal surfaces, normally harmless or even beneficial but transfer to other sites can be dangerous

Question 4

What are the different modes of horziontal transmission?

Answer 4

Contact (direct, indirect and vectors), inhalation (droplets and aerosols) ingestion

Question 5

What is vertical transmission?

Answer 5

Mother to child, before or at birth, and HIV transmission

Question 6

What are the stages of infection when caused by a bacteria?

Answer 6

Exposure, adherence, invasion, multiplication, dissemination

Question 7

What are the factors that determine the level of disease?

Answer 7

Virulence (how likely is an organism to cause disease) , inoculum size and any antimicrobial resistance

Question 8

What are some of the investigations involved in bacteriology?

Answer 8

Swabs, FLUIDS TISSUES, MIRCOSCOPY, BACTERIAL CELLS, PATIETN CELLS, CULTURE antibiltic supectibility, antigen detection and nucleic acid detection

Question 9

What are some of the factors involved in virology?

Answer 9

Antigen detection, antibody detection and detecting the viral nucleic acid