Infection Basics
Chain of Infection
Pharmacology & Antibiotics
PPE & Isolation Precautions
Clinical Scenarios
100

This term describes microorganisms capable of causing disease.  

What are pathogens?

100

This is the place where a pathogen lives and multiplies.

 What is the reservoir?

100

This class of medications treats bacterial infections.

 What are antibiotics?

100

This is the first PPE item removed when doffing.

What are gloves?

100

A patient with TB is admitted. You place them in this type of room.

 What is a negative‑pressure room?

200

This type of infection originates in a healthcare setting.  

What is a healthcare‑associated infection (HAI)?

200

Sneezing and coughing represent this link in the chain of infection.

 What is the portal of exit?

200

This antibiotic class requires avoiding sunlight due to photosensitivity.

What are tetracyclines?

200

This type of precautions is used for influenza.

 What are droplet precautions?

200

You touch a contaminated surface with your glove. Your next action.

What is remove gloves and perform hand hygiene?

300

The body’s first line of defense includes these three physical barriers.

What are skin, mucous membranes, and normal flora?

300

Contaminated stethoscopes and bed rails represent this mode of transmission.

 What is indirect contact?

300

This must be obtained before starting antibiotics, unless the patient is unstable.

What are cultures?

300

This mask is required for airborne precautions.

 What is an N95 respirator?

300

A patient with neutropenia requires this type of precautions.

 What are protective (reverse) precautions?

400

This lab value typically increases during bacterial infection.

 What is WBC count?

400

Breaking this link is the most effective way to prevent infection.

 What is the mode of transmission?

400

This common antibiotic side effect requires immediate reporting due to risk of C. diff.

What is severe diarrhea?

400

This type of isolation is required for a patient with C. difficile.

What are contact precautions with soap‑and‑water hand hygiene?

400

A patient with MRSA in a wound requires these precautions.

 What are contact precautions?

500

This stage of infection is when symptoms are vague and nonspecific.

 What is the prodromal stage?

500

A patient with poor nutrition and chronic illness represents this link.

What is a susceptible host?

500

This term describes bacteria that are no longer killed by previously effective antibiotics.

 What is antimicrobial resistance?

500

Correct order for donning PPE.

What is gown → mask/respirator → goggles/face shield → gloves?

500

A patient receiving antibiotics develops white patches in the mouth. This condition is likely.

 What is oral candidiasis?