Course

Microbiology

Study Pack

Set 2 Hostparasite Interaction

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Question 1

(Multiple Choice)

Free
The smaller the number of microorganisms necessary to cause infection in a competent host, the more _____ the microorganism.

A) opportunistic
B) parasitic
C) invasive
D) virulent

Answer

Question 2

(Multiple Choice)

Free
Parasitism is

A) a biological relationship between two or more organisms in which both benefit from one another.
B) a biological relationship between only two organisms in which there are no beneficial or harmful effects to the host.
C) a biological relationship in which one species gains benefits at the expense of the host.
D) a synonym for mutualism.

Answer

Question 3

(Multiple Choice)

Free
A laboratory professional is testing a new antimicrobial soap. The tech washes her forearm then does a culture of the skin. Which organisms should she most likely expect to find growing in the culture?

A) Diphtheroids and Bacillus spp.
B) Staphylococcus epidermidis and Propionibacterium
C) S. aureus and Propionibacterium
D) Diphtheroids and Propionibacterium
E) None of these organisms should be found.

Answer