Infection Control 1
What is a microorganism?
Small living organism not visible to the naked eye
Simple one-celled organism
Bacteria
Simple, plant like organisms that live on dead organic matter. Yeasts and molds are two forms.
Fungi
Classification of infection that means the infection originates within the body
Endogenous
A pathogen; bacteria or virus
Infectious agent
Pathogens
Name the 5 different types of bacteria
Cocci, diplococci, streptococci, staphylococci, bacilli
Parasitic microorganism often found in fleas, ticks, and lice
Rickettsiae
Classification of an infections that means the disease or infection originates outside of the body.
Exogenous
An area where the agent can live; example is the human body, animals or the environment
Reservoir
These microorganisms are part of our normal flora and don't contain germs
nonpathogens
What is used to kill bacteria?
Antibiotics
Smallest organism that cannot be killed by antibiotics. Common cold is an example
Virus
An infection that is acquired by someone in a health care facility, most likely a hospital or long term care facility.
Health-care Associated infection
A way for the agent to escape for the reservoir is called:
A way for the agent to enter a new reservoir is called:
Portal of Exit
Portal of Entry
Some microorganisms require oxygen to live. What are these called?
Aerobic
Round or spherical in shape....
Cocci
Worms of flukes.
Transmitted to humans when they eat eggs or larvae in contaminated food
Helminths
Infections that occur when the body's defenses are weak.
Opportunistic infection
A way for the agent to be transmitted to another host or reservoir is called:
Example is kissing, shaking hands
Mode of transmission
These microorganisms do not need oxygen to live.
Anaerobic
One-celled animal like organism found in decayed materials, insect bites, or contaminated water
Protozoa
3 viruses that are of major concern to health care providers:
Aids
Hepatitis B
Hepatitis C
Simple plant like organism that live on dead matter.
Fungi
A person likely to get an infection or disease is called:
Example is an elderly person or a baby
Susceptible host