Infection Control and Pathogens

What is the single most important thing that you can do to stop the spread of infection?

• taking a bath

• brushing your teeth

• washing your hands

• using hand sanitizer

Reorder the following steps in the chain of infection. Start with the beginning link. There is one link missing. Can you figure out which one?

• mode of transmission

• portal of entry

• portal of exit

• pathogen

• reservoir

A microorganism that causes disease is called a ________.

Which of the following illness is caused by pathogens?

• Bruise
• Blood Clot
• Diabetes
• Influenza

The flu is caused by a ______________.

• bacteria

• virus

• fungi

A substance used to "teach" your body how to make antibodies, giving you immunity against one or several diseases is a(n)

• immunity

• vaccine

• antibiotic

• memory B and T cells

A vaccine..

• makes it so you NEVER get sick.

• never works.

• uses a weakened or dead form of the pathogen to help build your bodies immunity.

• used the full strength version of the pathogen to help you build immunity.

Area where the causative agent can live 

• mode of transmission
• portal of exit
• reservoir
• portal of entry

Infectious diseases are caused by _________ in the body.

• pathogens

• decomposers

What is an antigen?

• a protein that triggers an immune response

• "hand cuffs" for pathogen

• substance made by B cells

• chemical that makes the immune cells divide