Question

The first step for pathogenesis to occur is ___ to a susceptible host; this may occur from the environment (soil, water), from humans or other animals by direct or indirect means.

a) Attachment
b) Invasion
c) Replication
d) Immune response

Answer 1

The first step for pathogenesis to occur is attachment to a susceptible host. This step is critical as infection cannot begin if the pathogen does not attach to the host cell.

Step-by-step explanation:

The first step for pathogenesis to occur is attachment to a susceptible host; this may occur from the environment (soil, water), from humans or other animals by direct or indirect means. Attachment is the most critical step as infection cannot begin if the pathogen does not attach to the host cell.