microorganisms and infection CONT. 3

Question 1

Classes of infectious microorganisms include

Answer 1

bacterial, fungal, viral,
parasitic, & protozoal

Question 2

Invasion by bacteria results in

Answer 2

direct confrontation w/an individual’s
defense mechanisms,

including complement, antibodies, &
phagocytes (neutrophils & macrophages)

Question 3

Efficient pathogens can produce

Answer 3

toxic molecules that may kill the
individual’s cells, disrupt tissue, & protect themselves against inflammation