12.3 The Transmission Of Communicable Diseases

Question 1

Direct transmission

Answer 1

Pathogen being directly passed from one individual to another through skin-to-skin contact

Question 2

Fomite

Answer 2

Inanimate objects that can carry and spread disease and infectious agents. Aka passive vectors

Question 3

Droplet infection (inhalation)

Answer 3

Minute droplets of saliva expelled from mouth containing pathogens. When a healthy individual breathes it in they may receive the infection

Question 4

Soil contamination

Answer 4

Infected plants often leave pathogens in the soil. They can infect the next crop. Some pathogens can survive the composting process so can still infect plants through contaminated compost

Question 5

Water vector

Answer 5

Spores swim in the surface film of the water of leaves.