Pathogenicity

Question 1

pathogen

Answer 1

an organism capable of causing disease

Question 2

commensal

Answer 2

an organism part of the normal flora

Question 3

pathogenicity

Answer 3

the ability to cause disease

Question 4

virulence

Answer 4

ability to cause severe disease

Question 5

what are the 5 divisions of microorganisms

Answer 5

bacteria, fungi, viruses, prions, parasites

Question 6

endogenous infection

Answer 6

source of microbe is from patients own flora

Question 7

exogenous infection

Answer 7

source of microbe is from outside the patients body

Question 8

what are kochs postulates

Answer 8

• the microbe must be present in every case of the disease
• the microbe must be isolated from the diseased host and grown in pure culture
• the disease must be reproduced when a pure culture is introduced into a susceptible host
• the microbe must be recovered from an experimentally infected host