Hannah’s Study Guide

Question Answer
The FIRST link in the Chain of Infection is the ____ Agent: A _____, such as bacterium or _____ that can cause disease. Causative. pathogen. virus.
The SECOND link in the Chain of Infection is the ____: An area where the causative agent can ___; some common reservoirs include the human body, animals, the environment and fomite. Reservoir. live.
What is fomite(s)? Objects or materials that are likely to carry infection, such as clothes, utensils, furniture, linens, doorknobs, bed pans, etc.
The THRID link in the Chain of Infection is the Portal of __: a way for the causative agent to __ from the reservoir in where it has been ___. In the human __ pathogens can leave the body through urine, feces, saliva, blood, tears, ___ discharge, etc. Exit. escape. growing. body. mucous.
The FOURTH link the Chain of Infection is the: Mode of ___: a way that the ____ agent can be ___ to another reservoir or host where it can ___. Transmission. causative. transmitted. live.
What is Direct Contact? A person to person contact.
Indirect Contact: when a ___ is transmitted from contaminated ____ such as food, __, feces and clothing. An example of this is spreading the pathogens on the ____, or breathing in ___ carrying airborne ____. pathogen. substances. air. hands. droplets. infections.
The SIXTH link in the Chain of Infection is a Susceptible Host: A person likely to get an ____ or disease, usually because body ____ are ___. infection. defenses. weak.
Why should health care workers be constantly aware of the parts in the Chain of Infection? If any parts of the Chain is eliminated the spread of disease or infection will be STOPPED!

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