The Chain of Infection
Personal Protective Equipment (PPE)
Hand Hygiene
Environmental Control
Healthcare-Associated Infections (HAIs)
100

The link in the chain of infection that is the environment where a pathogen lives and reproduces.

What is the reservoir?

100

The PPE is always worn when there is a risk of coming into contact with blood or body fluids.

What are gloves?

100

The single most important action to prevent the spread of infection.

What is proper hand hygiene?

100

These are surfaces that are frequently touched and easily contaminated.

What are high-touch surfaces?

100

The general term for infections patients can acquire while in a healthcare facility.

What is a Healthcare-Associated Infection (HAI)?

200

The link in the chain that is a person with a weakened immune system, for example.

What is a susceptible host?

200

For a patient in airborne precautions, this type of specialized respirator is required.

What is an N95 mask?

200

The minimum amount of time you should rub your hands with soap and water when washing them.

What is 20 seconds?

200

This is the proper way to dispose of a blood-soaked item.

What is putting it in a biohazard bag or container?

200

A common bloodstream infection caused by a certain type of staph bacteria that has become resistant to many antibiotics.

What is MRSA (Methicillin-resistant Staphylococcus aureus)?

300

Transmission of an agent from a reservoir to a host can happen through which routes?

What are direct or indirect contact, droplet, or airborne transmission?

300

This is the correct sequence for putting on PPE: hand hygiene, gown, mask, or respirator, face shield or goggles, and then gloves.

What is donning?

300

Before touching the patient, before a clean/aseptic procedure, after body fluid exposure risk, after touching a patient, and after touching patient surroundings.

When are the five moments of hand hygiene?

300

These are used to clean surfaces and equipment in a healthcare setting.

What are proper cleaning and disinfecting agents?

300

This HAI can be prevented by removing a urinary catheter as soon as it is no longer medically necessary.

What is a CAUTI (Catheter-Associated Urinary Tract Infection)?

400

A contaminated inanimate object, like a bedside table or medical instrument is known by this term.

What is fomite?

400

This is the key difference in PPE required for droplet versus airborne precautions.

What is a surgical mask for droplet vs an N95 for airborne?

400

This method of hand hygiene is not recommended when your hands are visibly soiled or when caring for a patient with C.difficile.

What is using an alcohol-based hand rub?

400

Aside from hand hygiene, what are two other Standard Infection Control Precautions for the care environment?

What is proper patient placement, respiratory hygiene, safe care environment, or managing linens and devices?

400

For this multidrug-resistant organism (MDRO), special precautions are taken, and alcohol-based hand rub is not an effective option.

What is C-diff (Clostridioides difficile)?

500

The name for the final step in the chain, where a microbe exits the host.

What is the portal of exit?

500
This PPE should be removed last when taking off equipment to avoid contaminating yourself. 

What are gloves?

500

These items, often worn for cosmetic reasons, have been linked to hospital-acquired infections because they can harbor bacteria.

What are artificial nails?

500

This is the name for the 1991 OSHA standard that requires employers to have a plan for protecting employees from exposure to infectious materials.

What is the Bloodborne Pathogens Standard?

500

This type of bacterial infection is associated with central lines and can be prevented with proper insertion and maintenance bundles.

What is a Central Line- Associated Bloodstream Infection (CLABSI)?

M
e
n
u