Course

Microbiology

Study Pack

Set 15 Host Microbe Relationships And Disease Processes

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Question 1

(Multiple Choice)

Free
Which of the factors below is NOT considered to be an example of a virulence factor

A)Prodrome
B)Leukostatin
C)Streptokinase
D)Adhesions

Answer

Question 2

(Multiple Choice)

Free
Which of the following must be true in order to satisfy some of Koch's postulates

A)causative agent must be observed in a small percentage of cases of disease
B)must be isolated from hosts that are not inoculated with the pure culture
C)when pure cultures inoculated in healthy hosts,they do not show disease
D)causative agent must be isolated from diseased host and grown in pure culture

Answer

Question 3

(Multiple Choice)

Free
Symbiosis is an association between:

A)two or more species
B)one or two species
C)two or more hosts
D)no species but all hosts

Answer