객관식
In the chain of infection (infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, susceptible host), what is the most accurate outcome if one link in the chain is missing or effectively broken?
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25. Epidemiology
Introduction to Chain of Infection
Multiple Choice
In the chain of infection, what is considered the first step in infection control?
A
Select and administer appropriate antibiotics to the host
B
Disinfect all surfaces after patient contact
C
Identify the infectious agent (pathogen) involved
D
Provide vaccines to all susceptible individuals
검증된 단계별 안내1
Understand that the chain of infection consists of several sequential steps that describe how an infectious disease spreads from one host to another.
Recognize that infection control aims to break this chain at one or more points to prevent disease transmission.
Identify the first step in infection control as determining the infectious agent (pathogen) responsible for the disease, because knowing the pathogen guides all subsequent control measures.
Note that selecting and administering antibiotics, disinfecting surfaces, and providing vaccines are important steps but come after identifying the pathogen.
Therefore, the initial and crucial step is to identify the infectious agent, which allows targeted interventions to effectively control the infection.
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