Which of the following statements about the relationship between hosts and microbes is true
A)An opportunistic pathogen has a relatively low infectious dose.
B)Infection always leads to symptoms.
C)Some organisms can be pathogens and commensals.
D)Endogenous infections are caused by microbes that are endemic to environment.

Question

Quizplus · Accepted Answer

Some organisms can be pathogens and commensals, meaning they can cause disease in some circumstances but also have a normal, non-harmful relationship with their host in other circumstances.

Which of the Following Statements About the Relationship Between Hosts