Pathogens

Question 1

What is a pathogen

Answer 1

Disease-causing agents
Presence and multiplication can produce an infection
Can be bacteria, viruses, fungi or protozoans

Question 2

What is the two basic mechanisms of defence against pathogens

Answer 2

Innate (nonspecific) defences

Adaptive (specific) defences

Question 3

What does Innate (nonspecific) defences do?

Answer 3

Guard against many types of pathogens; respond quickly

Question 4

What does Adaptive (specific) defences include

Answer 4

Include species resistance, mechanical barriers, chemical barriers, natural killer cells, inflammation, phagocytosis, and fever