Infectious agents, chain of infection, modes of transmission, and conditions for growth

What is an environment conductive to pathogen survival is known as what?

Reservoir

In a clinical setting, the reservoir is often what?

the patient but can also be an inanimate object such as an exam table or a piece of medical equipment

HUman body is an ideal what?

reservoir for microbial growth because of the presence of nutrients, moisture, and ideal temperature and pH levels

Portal of exit

the passageway that the pathogen used to exit reservoir

Mode of transmission is

necessary for the cycle to continue

A direct transmission takes place when there is contact with …

the infected person or body fluid that is carrying the pathogen

When do indirect transmission occur

when intermediate step between the portal of exit and portal of entry

What does a pathogen has means of transmission need to continue?

a new portal of entry

What are ways pathogens often enter a host

open wound or through the mouth, nose, eye, intestines, urinary tract, or reproductive system

Final step of the cycle?

presence of a susceptible host

What factors make the human body an ideal susceptible host?

overall health, age, and the condition of a person’s immune system

If a link of infection is broken what is halted?

transmission

For transmission of pathogen to occur what links of infection must be connected?

Infectious agent, Reservoir/source, portal of exit, mode of transmission, portal of entry to host, susceptible host