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Chapter 5, HBH&I

5. Microbiology Basics

Disease producing organisms Pathogens
Infection restricted to a small area Localized infection
Widespread infection Systemic infection
Chemicals used to treat bacterial infections Antibiotics
A disease that can be spread from one host to another Communicable disease
A disease acquired by many people in a given area over a short time period Epidemic disease
A worldwide epidemic Pandemic
The study of the occurrence and distribution of diseases in a population Epidemiology
Time from exposure to a pathogen until development of symptoms Incubation period
Bacteria that live on/in our bodies but generally do not cause disease Normal flora
A hospital–acquired infection Nosocomial infection
A continual source of infection living or nonliving Reservoir of infection
The ability to ward off disease Resistance
A process that destroys all living organisms and their spores Sterilization
A carrier of pathogens from host to host Vector
A round shaped bacteria Coccus
A rod shaped bacteria Bacillus
Round bacteria in chains Streptococci
Round bacteria in clusters Staphylococci
A bacteria that is a curved rod and causes severe diarrhea Vibrio cholerae
The organism that causes syphillis Treponema pallidum
The bacterial cell is surrounded by these two structures Cell wall & cell membrane
Some bacteria form these structures that allow them to survive in a harsh environment Spores
These two types of bacteria are smaller than most and must live within the cells of the host Rickettsia and Chlamydia
The smallest of infectious agents Viruses
Examples of viral diseases Mumps, measles, influenza, poliomyelitis, AIDS
Infections caused by pathogenic fungi Mycotic infections
Single–cell, animal like microbes Protozoa
Four main types of protozoa Amebas, Ciliates, Flagellates, and Sporozoa
Parasitic worms are called this Helminths
A common disease of children where the worms live in the anus but travel to the perianal area to lay their eggs Pinworm
Ringworm is an infection due to ____________ A fungus
Insects with jointed legs are called Arthropods
Parasites that live on the outer surface of the body Ectoparasites
Parasites that live inside the body Endoparasites
The person or organism that is infected by a pathogen causing infection Host
A staining procedure done to identify bacteria that results in purple/blue and pink/red organisms Gram stain
Gram+ is what color Purple/blue
Gram– is what color Pink/red
Stain used to identify tuberculosis organisms Acid–fast stain
The growth of pathogens in a media is called a _________ Culture
Culture and sensitivity test is ___________ Growing bacteria and seeing which antibiotics will kill them
The ways in which bacteria gain access to our bodies by the respiratory, GI, GU tract is called __________ Portals of entry
The most important procedure in preventing the spread of infection is _______________ Handwashing
A nonliving vector is also called a ______________ Fomite
An infection that occurs and follows another infection is called a/an ______________ Superinfection
An animal disease that is transmissible to humans Zoonosis
Someone who has an infection and can spread it but also no longer has symptoms of the disease Carrier
MRSA stands for _________ Methicillin–resistant staph aureus
Created by: joniparson1