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Nature of Microorganisms
Transcript of Nature of Microorganisms
*Enters mouth by water, dirty hands,
or contaminated food/objects.
INSECTS & PESTS
*Carry from contaminated areas to
water, food, & people
*Droplets cling to hair, uniforms,
medical equipment, & the floor.
THE NATURE OF MICROORGANISMS
5 Most Horrific Parasitic Worms
[With Gruesome Pictures]
We Are Constantly Surrounded by Microorganisms
Definition of MICROORGANISM
A tiny organism such as a virus or bacteria that can
only be seen under a microscope.
in body and
*able to grow
*live on DEAD
*live on LIVING
matter or tissue
6 TYPES OF PATHOGENS:
*causes infections, strep throat, syphilis, staph-boils
ALWAYS present in health care environments
*Causes: common cold, respiratory infections, chicken pox, measles, mumps, fever blisters, AIDS
*smaller than bacteria
shingles / chicken pox
*causes trichomoniasis ("trich" -STI), amebic dysentery, and malaria
*larger than viruses
(infection of the intestines)
mosquito carrying malaria
thrush (yeast infection in mucus in mouth)
*very low form of plant life (molds & yeasts)
*causes athlete's foot, thrush, lung disease
*parasites living on lice, fleas, ticks
*causes typhus, spotted fever
*rodent and insect control helps prevent
Rickettsiae infested ticks
Parasite on tick
6.) Parasitic Worms
*Can lie undetected for months to years
*Can be found in under-cooked meat
Malaria= A parasitic disease that involves high fevers, shaking chills, flu-like symptoms, anemia, bloody stools, headache, jaundice, muscle pain, nausea, sweating, coma
1.) "Good" organisms
2.) Butter, bread, ferment grain for alcohol
3.) DECOMPOSE food in body (feces)
4.) Control pathogenic organisms
BACTERIA GROWTH IS AFFECTED BY:
3 WAYS M.O. AFFECT THE BODY:
* Causes chills, fever
*Causes runny nose,
watery eyes, sneezing
-poor Immune System
5 WAYS M.O.'s SPREAD:
*Person to Person
*Person to Object
caused by SPIROCHETES
*Our fingernails house the highest level of pathogens on our hands.
*Killed with ANTIBIOTICS
causes food poisoning
-pain at spot
*110-170 F: KILLS most bacteria.
*50-110 F: RAPID growth.
*32 F: SLOWS growth rate.
(Aerobic & Anaerobic)
*Sunlight kills rapidly
*Darkness allows rapid reproduction
6.) DEAD & LIVING MATTER
(Saprophytes & Parasites)
(Physical or Sexual contact)
*Abstain from sex & touching open areas on body.
*Stay at least 3 feet from coughs/sneezes.
*Wear Personal Protective
(Food, air, soil, feces, contaminated clothing & equipment)
*Don't touch objects from infected people,
*Hold contaminated items away from your uniform
*Keep hair short/tied back
*Change clothes after working & before going out
*Stay home when sick
-Before eating/touching food
-After the toilet (EVERY time)
-Before & after helping patients
*Dispose wound drainage promptly
(lymph node infection)
*Keep insects out by maintaining
a clean & dry area.
*Report insects or pests immediately
(that cause illnesses)
-Vaccines --> Prevent spread
-Antiviral meds-> Slow reproduction (CANNOT kill it completely)