Bacteriology Flashcards
What is bacteria?
Single-celled microorganisms that have both plant and animal characteristics
What is a microorganism?
Microorganism: any organism of microscopic or submicroscopic size.
Where does bacteria exist?
Bacteria can exist almost anywhere: on skin, in water, in the air, in decayed matter, on environmental surfaces, in body secretions, on clothing, or under the free edge of nails
What category do most bacteria fall under?
Nonpathogenic. Most bacteria are non pathogenic, harmless organisms that may perform useful functions.
What is Staphylococci?
pus-forming bacteria that grow in clusters like a bunch of grapes. Causes abscesses, pustules, and boils.
The most common pus forming bacteria
What is Streptococci?
pus-forming bacteria that grow in strings or chains
What is Spirilla?
spiral, corkscrew, or curved shaped bacteria. They subdivide into groups and thrive in stagnant water and meat.
Responsible for:
Syphilis (treponema palladia)
Bacterial diarrhea
Lyme disease
What is pus?
a fluid containing white blood cells, bacteria, and dead cells.
By-product of the infectious process.
The presence of pus is a sign of a bacterial infection.
What is a furuncle?
Staphylococcal skin infection originating in a gland or hair follicle. Characterized by redness, swelling, pus, and pain. Not contagious Never extract a furuncle. Advise client to see their physician
Carbuncle: group or cluster of furuncles
What is Folliculitis?
inflammation of the hair follicles. (ingrown hair)
Most common after waxing, braiding, and shaving
Can be treated by estheticians by using warm compresses, salicylic acid, extraction, and exfoliation.
What is the inactive stage of bacteria?
Spores.
What’s the bodies first line of defense against bacterial infection?
Clean unbroken skin
How does your body become immune to a disease? (process)
white blood cells that destroy bacteria from previous encounters or from immunizations.
What is acquired immunity?
being immune to disease through having the disease or receiving inoculations against it
What are viruses?
Submicroscopic particle that infects and resides in the cells of a biological organism.
Viruses can live and reproduce only by taking over other cells and becoming part of them.
Hard to kill without harming the host cells in the process .
No cure, but antivirals will suppress the symptoms.