Chain of Infection
Hand washing, routine cleaning, and using PPE are examples of what type of practice?
Medical asepsis
A location where microorganisms live, survive, thrive, and reproduce is called
Reservoir
Home health nurses teach patients how to properly refrigerate food. What link in the chain of infection is being broken?
Reservoir
A person lacking effective resistance to a particular organism is the
Susceptible Host
What part of the chain of infection was broken by the development of the smallpox vaccine?
Susceptible host
You eat a healthy diet, exercise and get plenty of sleep to be as healthy as possible. What link in the chain of infection is being broken?
Susceptible host
What type of microorganism causes the common cold?
Virus
Handwashing should be performed before and after:
direct patient contact
The purpose of infection control is to:
disrupt the chain of infection
What is the single most important means of preventing transmission of infectious pathogens?
handwashing
Microorganisms with the ability to cause infection
infectious agent
The way in which microorganisms move or are carried from one place to another is the
mode of transmission
All of the following are types of PPE except
paper towels
An opening allowing the microorganism to enter the host is called the
portal of entry
The path by which a pathogen leaves its host is called
portal of exit
A health care worker who fails to wash his hands after coming into contact with body fluids that may contain blood has failed to comply with guidelines called
standard precautions
What is used to cure someone with a bacterial infection such as a UTI (urinary tract infection)?
Antibiotics
How many links are in the chain of infection?
6
According to the CDC, what percent of infections are spread through hands?
80%
Which patients should be considered infectious?
All patients should be considered infectious
Which agency developed standard precautions?
CDC
Yeasts and molds are examples of what plantlike microorganism?
Fungi
What is the best way to prevent the spread of infection?
Handwashing
Your patient is put on an antibiotic to treat their Strep Throat. What link in the chain of infection is being broken?
Infectious Agent
The nurse "red bags" infectious material for disposal. What link in the chain of infection is being broken?
Infectious agent
Which of the following list the links in the chain of infection in order?
Infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, susceptible host.
What is a pathogen?
Microorganisms that are capable of causing disease in a human host
A nurse washes her hands after she leaves a patient's room. What link in the chain of infection is being broken?
Mode of transmission
If you acquire an infection while in the hospital it is called a
Nosocomial infection or HAI infection
Nurses avoid contracting Hepatitis C by making sure their skin is not punctured by a needle. What link in the chain of infection is being broken?
Portal of entry
You protect the heels and elbows of an elderly patient to prevent the breakdown of skin. What link in the chain of infection is being broken?
Portal of entry
You put on gloves before bandaging a wound of a patient. What link in the chain of infection is being broken?
Portal of entry
A nurse bandages a wound infected with MRSA. What link in the chain of infection is being broken?
Portal of exit
You place a mask over a patient's nose and mouth in the ER because they have tuberculosis. What link in the chain of infection is being broken?
Portal of exit
How does a pathogen spread from one person to another person?
Through a mode of transmission
