Chain of Infection

What is the first link in the chain of infection?

• Identify Pathogen

• Wash Hands

• Coughing and sneezing

• Vaccinations

What is the chain of infection also known as?

• Chain of Transmission

• Chain of Infection

• Chain of Contamination

• Chain of Spread

How can germs be spread from one person to another?

• Only through indirect contact

• Only through direct contact

• Both through direct and indirect contact

• None of the above

What is the "mode of transmission" in the chain of infection?

• The ability for an organism to cause disease

• How pathogens are carried from one place to another

• The way pathogens enter the host

• How the pathogens leave the reservoir

What is considered a "reservoir" in the chain of infection?

• The host that cannot defend against pathogens

• The ability for an organism to cause disease

• Where pathogens arrive and reproduce

• How pathogens leave the host

Who is considered a "susceptible host" in the chain of infection?

• A person who can easily transmit pathogens

• A person who can defend against pathogens

• A person who cannot defend against pathogens (elderly)

• The organism that causes disease

Chain of Infection. Reorder the following:

• Mode of Transmission

• Entry Portal

• Susceptible Host

• Exit Portal

• Agent

What does wearing a mask do for the chain of infection?

• Breaks the chain

• Nothing - masks don’t do anything

• Masks are only encouraged to control the population

• Masks increase the risk of infection

Tags

NGSS.HS-ESS3-4

What is the second link in the chain of infection?

• Reservoir

• Mode of Transmission

• Portal of Exit

• Susceptible Host

Which of the following is a portal of exit in the chain of infection?

• Skin

• Blood

• Respiratory droplets

• All of the above